European Journal of Taxonomy 46: 1-13

http: //dx .doi .org/10.5852/ej t .2013.46

ISSN 2118-9773

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2013 • Germann C.

This work is licensed under a Creative Commons Attribution 3.0 License.

Research article

um:lsid:zoobank.org:pub:5FA15797-9B96-404A-ADA9-486486ED9609

A review of Dichorrhinus Desbrochers, 1875 (Coleoptera,

Curculionidae) with two new species from Greece

and Tnrkey, and from Cyprus

Christoph GERMANN

Naturhistorisches Museum der Burgergemeinde Bern, Bernastrasse 15, CH-3005 Bern

and Natur-Museum Euzem, Kasernenplatz 6, CH-6003 Eueeme, Switzerland

E-mail: germann . ehristoph@gmail . com

um:lsid:zoobank.org:author:0FFE5732-6AE7-4857-B837-54D30F41F573

Abstract. The speeies of the Eastern Mediterranean genus Dichorrhinus Desbroehers, 1875 are revie¬

wed. D. geiseri sp. nov. is deseribed from Samos Island (Greeee) and Western Turkey, andD. alziari sp.

nov. is deseribed from Cyprus. Dichorrhinus korbi Sehilsky, 1911 is redeseribed. An illustrated key to

the speeies of Dichorrhinus is provided, and new reeords are presented.

Keywords. Entiminae, Phyllobiini, new speeies, redeseription, taxonomy.

Germann C. 2013. A review of Dichorrhinus Desbrochers, 1875 (Coleoptera, Curculionidae) with two new species

from Greece and Turkey, and from Cypms. European Journal of Taxonomy 46: 1-13. http://dx.doi.org/10.5852/

eit.2013.46

Introduction

The genus Dichorrhinus was deseribed by Desbroehers (1875) with its type speeies D. pseudoscythropus

Desbroehers, 1875 from a loeality nowadays situated in Febanon. Presently, Dichorrhinus eomprises

four speeies: D. pseudoscythropus from Febanon and Syria, D. creticus (Faust, 1889) from Crete,

Greeee, D. freyi F. Solari, 1940 from Fibya and D. korbi Sehilsky, 1911 from Turkey. All speeies are

eharaeterised by the unique shape of their rostrum, whieh has a bright, glabrous and shiny nasal plate.

The genera most similar to Dichorrhinus, eoneeming their habitus and rostrum with a glabrous nasal plate,

are Parascythopus Desbroehers, 1875 (Phyllobiini) and Pachyrhinus Sehonherr, 1823 (Polydrusini),

where espeeially Pachyrhinus lethierryi (Desbroehers, 1875) ean be eonfiised with a Dichorrhinus at

first sight based on a similar habitus, although the serobes are laterally open in Pachyrhinus. It was Solari

(1940) who proposed plaeing Dichorrhinus in Phyllobiini, based on the dorsally open antennal serobes,

followed by Pesarini (1980) and Alonso-Zarazaga & Fyal (1999). The last review of Dichorrhinus was

ineluded in Pesarini’s survey of Phyllobiini (1980). The entirely glabrous and shiny nasal plate of the

rostrum allows a reliable separation of Dichorrhinus and Parascythopus from Phyllobius Germar, 1824,

and Dichorrhinus differs from Parascythopus in the broader, roundish seales (piliform and aeuminate in

Parascythopus) and the elevated glabrous surfaee of the nasal plate, well separated towards the base of

the rostrum (not elevated and indistinetly separated in Parascythopus).

European Journal of Taxonomy A6\ 1-13 (2013)

The present review of Dichorrhinus was initiated after the eolleetion of new speeimens in Greeee,

Turkey, Syria and Cyprus. The examination of these speeimens led to the diseovery of D. geiseri sp. nov.

from Western Turkey and Greeee. The eomparison of speeimens eolleeted in Syria and Cyprus revealed

that the latter belong to another unnamed speeies, D. ahiari sp. nov., deseribed below. Speeimens from

Cyprus have generally been regarded as D. pseudoscythropus, deseribed by Desbroehers (1875) from

Djebel Baalbek in Lebanon (Winkler 1924-1932; Solari 1940; Pesarini 1980; Alziar 1995, 2003, 2012).

This series of misidentifieations was started by Desbroehers himself (1902a, b), when he provided a

redeseription of the genus Dichorrhinus and its type speeies D. pseudoscythropus (1902b: 151-152),

indieating “Chypre” as provenanee.

Furthermore, a larger series of Dichorrhinus korbi, eolleeted in Turkey, and the examination of the

holotype allowed this speeies to be redeseribed.

Material and methods

Photographs were taken with a 5-megapixel digital eamera (Leiea DFC 420). Series of images were

eaptured through a binoeular mieroseope (Leiea MZ16) and proeessed through Auto-Montage software

(Imagie Image Aeeess, Version 8).

All measurements were taken digitally with the measurement-tool of the above mentioned Auto-Montage

software. Body length was measured from the anterior margin of the eye to the apex of the elytra.

Abbreviations

NMB

NMBE

MFN

SDEI

eGA

eJE

eJP

eRB

eSB

ePB

Naturhistorisehes Museum Basel

Naturhistorisehes Museum der Burgergemeinde Bern

Museum far Naturkunde, Berlin

Senekenberg Deutsehes Entomologisehes Institut, Mtineheberg

eolleetion of Gabriel Alziar (Franee, Cassagnes-Begonhes)

eolleetion of Jean-Miehel Eemaire (Franee, Contes)

eolleetion of Jean Pelletier (Franee, Monnaie)

eolleetion of Roman Borovee (Czeeh Republie, Sloupno)

eolleetion of Stanislav Benedikt (Czeeh Republie, Plzen)

eolleetion of Piotr Bialooki (Poland, Gdynia)

Eabels are eited in full from the top downward, with data from eaeh label enelosed in quotation marks.

Eabels are eited with original spelling and punetuation. Different labels are separated by double slash

marks (//). Additional information is ineluded in square braekets.

GERMANN C., A review of Dichorrhinus, with deseription of two new speeies

Results

Class Hexapoda Blainville, 1816

Order Coleoptera Linne, 1758

Superfamily Curculionoidea Latreille, 1802

Family Curculionidae Latreille, 1802

Subfamily Entiminae Schonherr, 1826

Tribe Phyllobiini Schonherr, 1826

Genus Dichorrhinus Desbrochers, 1875

Dichorrhinus geiseri sp. nov.

um:lsid:zoobank.org:act:0B6748F9-8B14-4690-B641-2DFFllED3607

Figs 1C, H, 2A-F, T

Etymology

The new species is dedicated to Michael Geiser (Basel), expert in Prionoceridae and dear colleague. The

chance to examine his collection of weevil specimens from Samos-Island initiated the present review.

Type material

Holotype

3, “GriechenlandSAMOSEimnionasenv. [environment] 37°4EN/26°37’EM. Geiserleg. 23.111.2008”//

“Macchia, Klopfschirm [beating tray]”. Red label: “Holotype Dichorrhinus geiseri sp. nov. C. Germann

des. 2013” (NMBE).

Paratypes

1 $, same data as holotype (NMB); 9 SS, 3 $$, “21.05.2007 SW Turkey, Baba Dagi S Fethiye,

leg. P. Bialooki”; 7 SS, 10 ??, “19.05.2007 SW Turkey, Baba Dagi SW Denizli, leg. P. Bialooki”;

4 SS, 3 $$, “23.05.2010 SW Turkey, Mt. 2421m W Oren, SW Acipayam, leg. P. Bialooki”; 5 SS,

6 ? “25.05.2007 SW Turkey, Ak Dagi W Aglasun, S Isparta, leg. P. Bialooki” (NMBE, cPB). All 48

paratypes are additionally labelled with red paper: “Paratype Dichorrhinus geiseri sp. nov. C. Germann

des. 2013”.

Description

Size. (Without rostrum) males 4.2 mm (3.8-4.7 mm), females 4.7 mm (4.4-5.1 mm).

Colour. Body, head and femora dark brown to black; nasal plate, antennae, tips of femora, partly tibiae

and all tarsal segments reddish-brown.

Head. Eyes strongly convex, protruding, short oval in section. Rostrum about as long as wide, with well

separated, glabrous and reddish-brown nasal plate; glossy from rostral dorsum to the scrobes. From

there to epistome punctuate-striate. Head and basal half of rostrum with oval, green-metallic scales

and long, partly bowed, dark hairs. Antennae reddish brown, apex of scape and club slightly darker.

Antennal scape long, bowed and slender, reaching fore margin of pronotum. Apex of scape thickened,

three times wider than base. Seven segments of antennal funiculus as follows (E/W): 1: 3.2, 2: 3.5, 3:

2.1, 4* and 5* 1.9, 6: 1.4, 7: 1.5. Club fusiform, long and slender.

Pronotum. (E/W): 0.7, transverse, widest in the middle, strongly constricted just before fore margin,

sides rounded. Densely and irregularly punctuate on disc, vestiture consisting of oval, metallic green

scales and long, dark, bowed hairs.

European Journal of Taxonomy A6\ 1-13 (2013)

Fig. 1. A-E. Habitus. F-J. Head and antennal seape of Dichorrhinus spp., 3 . —A, F. D. alziari sp. nov.,

holotype. — B, G. D. creticus (Faust, 1889). — C, H. D. geiseri sp. nov., holotype. — D, I. D. korbi

Sehilsky, 1911. — E, J. D. pseudoscythropus Desbroehers, 1875.

0.5 mm

GERMANN C., A review of Dichorrhinus, with description of two new species

Fig. 2. A-F. Ventral view or aedeagus of Dichorrhinus geiseri sp. nov. A. Holotype. B-C. Denizli,

Turkey. D-E. Fethyie, Turkey. F. Oren, Turkey. — G-J. Ditto ofD. alziari sp. nov. G-I. Potami, Cyprus.

J. Holotype. — K-O. Ditto of D. korbi Sehilsky, 1911. K-L. Akseki, Turkey. M. Avlanbeli, Turkey. N.

Davras, Turkey. O. Tahtali, Turkey. — P, Q. Ditto of D. creticus (Faust, 1889), Crete, Greeee. — R-S.

Ditto of D. pseudoscythropus Desbroehers, 1875, Sinfeh, Syria. — T-V. Spermatheea. T. D. geiseri

sp. nov. U. D. alziari sp. nov. V. D. korbi, holotype.

European Journal of Taxonomy A6\ 1-13 (2013)

Elytra. (LAV) male: 1.9, female: 1.7, parallel-sided. Base mueh wider than pronotum. Shoulders well

pronouneed. Striae linear and regularly punetuate, interstriae slightly wider. Vestiture eonsisting of

green-metallie, broad, roundish seales, straight eut at hind margin (nearly triangular), and long, semi-

raised, dark hairs. Seutellum longer than wide, rounded at tip.

Legs. All femora strong, with sharp teeth varying in size, tibiae straight. Four visible tarsal segments,

segment 1.4 times longer than 2"^, 3*^^ slightly shorter, about twiee as wide, 4* segment tiny and hardly

visible, 5^*^ reaehing as far as Claws fused at base, simple.

Male genitalia (Fig. 2A-F). Sides of median lobe of aedeagus sinuate, apex with short and blunt

(rounded) tip. Apodeme as long as median lobe. Legmen with short parameres, tegminal apodeme

straight, about half as long as apodeme of aedeagus. Ventrite 8 slightly eurved, as long as aedeagus.

Female genitalia. Ventrite 8 with very long and slender apodeme. Spermatheea with pointed, almost

straight nodulus and strongly eurved, globular eomu (Fig. 2T).

Sexual dimorphism. Elytra of male parallel, widest at base, elytra pointed towards apex. Elytra of female

widest at last third, rounded towards apex.

Host plants

The new speeies was eolleeted in the phrygana plant assoeiation on Samos Island while beating and

sweeping (M. Geiser, written eommunieation), and while eolleeting in Turkey in steppe habitats mostly

at higher altitudes (Fig. 3) (P. Bialooki, written eommunieation).

Dichorrhinus alziari sp. nov.

um:lsid:zoobank.org:aet:79295123-4AQ2-453E-A62Q-Q4F593Q58DQl

Figs lA, F, 2G-J, U

Etymology

The new speeies is dedieated to the expert of the Cureulionoidea-fauna of Cyprus, the former eurator

of the Museum d’Histoire Naturelle de Niee and dear eolleague Gabriel Alziar (Cassagnes-Begonhes).

Type material

Holotype

(f, “sommet du Troodos (Limassol, Chypre), +/- 1900 m ; lO-V-2008” // ''sm Juniper us foetidissima G.

Alziar leg.”. Red label: “Holotype Dichorrhinus alziari sp. nov. C. Germann des. 2013” (NMBE).

Paratypes

1 $, same data as holotype (NMBE); 6 SS, 3 $ $ same data as holotype (eGA); 7 SS, 4 $ $, “eireuit

de Madhari (Chypre) 1500-1600 m lO-V-2008: G. Alziar leg.” // “sur Juniperus exeelsa” (eGA); 3 SS,

2 $ “ehemin duMabapi [Potami] 10 V 08 - 1500m CHYPRE J.M. Lemaire leg.” (eJL); 2 SS, 3 $

“Cyp. Troodos 1629 m. 24 5 06 S. Doguef’ (eJP). All 31 paratypes are additionally labelled with red

paper: “Paratype Dichorrhinus alziari sp. nov. C. Germann des. 2013”.

Description

Size. (Without rostrum) males 4.7 mm (4.3-5.0 mm), females 5.1 mm (4.7-5.5 mm).

Colour. Body, head and femora dark brown to blaek; nasal plate, antennae, tips of femora, partly tibiae

and all tarsal segments reddish-brown.

GERMANN C., A review of Dichorrhinus, with deseription of two new speeies

Head. Eyes strongly convex, protruding, short oval in section. Rostrum about as long as wide, with well

separated, glabrous and reddish-brown nasal plate; glossy from rostral dorsum to the scrobes. From

there to epistome punctuate-striate. Head and basal half of rostrum with oval, green-metallic scales

and long, partly bowed, dark hairs. Antennae reddish brown, apex of scape and club slightly darker.

Antennal scape long, bowed and slender, reaching fore margin of pronotum. Apex of scape thickened,

three times wider than base. Seven segments of antennal funiculus as follows (LAV): 1: 3.6, 2: 4.8, 3:

3.2, 4: 2.2, 5: 1.9, 6: 1.6, 7: 1.7. Club fusiform, long and slender.

Pronotum. (L/W): 0.9, transverse, widest in the middle, strongly constricted just before fore margin,

sides rounded. Densely and irregularly punctuate on disc, vestiture consisting of oval, metallic green

scales and long, dark, bowed hairs.

Elytra. (LAV) male: 2.0, female: 1.9, parallel-sided. Base much wider than pronotum. Shoulders well

pronounced. Striae linear and regularly punctuate, interstriae slightly wider. Vestiture consisting of

green-metallic, broad, roundish scales, straight cut at hind margin (nearly triangular), and long, semi-

raised, dark hairs. Scutellum longer than wide, rounded at tip.

Legs. Femora not toothed, tibiae straight. Four visible tarsal segments, segment 1.4 times longer than

2^^, 3"^^ slightly shorter, about twice as wide, 4* segment tiny and hardly visible, 5* reaching as far as

Claws fused at base, simple.

Male genitalia. (Fig. 2G-J) Aedeagus slender, parallel sided to concave, apex obtuse angled and pointed.

Apodeme as long as aedeagus. Legmen with short parameres, tegminal apodeme straight, about half as

long as apodeme of aedeagus. Ventrite 8 slightly curved, almost as long as aedeagus.

Female genitalia. Ventrite 8 with very long and slender apodeme. Spermatheca with pointed, slightly

curved nodulus and strongly curved, globular cornu (Fig. 2U).

Sexual dimorphism. See above.

Host plants

Alziar (2012) reported Juniperus excelsa and J. foetidissima as feeding plants of D. alziari sp. nov.

Dichorrhinus korbi Schilsky, 1911

Figs ID, I, 2K-0, V

Dichorrhinus korbi Schilsky, 1911: Nr. 54 (description).

not Phyllobius squamosus korbi Schilsky, 1908: Nr. 48a [in Lona 1936: 491 (World catalogue); and in

Weill et al. 2011 (faunistic list) as Dichorrhinus korbi Schilsky, 1908 (sic!)]

not Dichorrhinus - Winkler 1924-1932: 1467 (Palaearctic catalogue). — Solari 1940: 76 (compa¬

rison in description). — Pesarini 1980: 206 (survey on Phyllobiini).

Remark

The description of Phyllobius squamosus korbi Schilsky, 1908, and the missing entry of the description

of Dichorrhinus korbi in Lona (1936) caused an uncertainty about the year of description of D. korbi.

However, this is corrected here. The label data (see below) of the holotype of D. korbi deposited in the

NFM is in accordance with the description (Schilsky 1911). The examination of the holotype specimen,

furthermore, revealed that the type is a female specimen, and not a male as written by Schilsky (1911)

and repeated by Solari (1940).

European Journal of Taxonomy A6\ 1-13 (2013)

Material examined

Holotype

“Amasia [printed]” // “[illegible handwriting]” // “[perhaps a female sign (!), handwritten]” // “Korbi

* Sehils. [handwritten]”. Red label: “Holotype Dichorrhinus korbi Sehilsky, 1911 ett. Hermann 2013”

(MFN).

Other material examined

1 1 “TR-Antalya 70km s. Ulupinar 1992.04.30 50m leg. W. Suppantsehitseh” (eRB); 1 S,

2 $ “TR -vil Antalya 10.V.2001 Avlanbeli Pass 1120m 25 km S Elmali 3632 N 2959 E - S. Kadlee

Igt.” (eSB); 1 (?, 1 “26.05.2007 SW Turkey, Davras Dagi E Isparta, leg. P. Bialooki” (ePB); 4 (JcJ,

5 “11-12.05.2008 SW Turkey, Akseki env., NE Manavgat, leg. P. Bialooki” (ePB); 9 SS, 4

“24.05.2007 SW Turkey, Tahtali Dagi SW Kemer, leg. P. Bialooki” (NMBE, ePB).

Redescription

Size. (Without rostrum) males 4.5 mm (4.2-4.9 mm), females 4.8 mm (4.6-5.3 mm).

Colour. Body, head, femora and tibiae dark brown to blaek; nasal plate, antennae, tips of femora and

basis of tibiae and all tarsal segments reddish-brown.

Head. Eyes strongly eonvex, very protruding, short oval in seetion. Rostrum about as long as wide, with

well separated, glabrous and reddish-brown nasal plate, darkened in the middle; glossy from rostral

dorsum to the serobes. From there to epistome punetuate-striate. Head and basal half of rostrum with

oval, green-metallie seales and long, partly bowed, dark hairs. Antennae reddish brown, seeond half of

seape, partly funieulus and elub slightly darker. Antennal seape long, bowed and slender, reaehing fore

margin of pronotum. Apex of seape thiekened, three times wider than base. Seven segments of antennal

funieulus as follows (EAV): 1: 3.0, 2: 3.8, 3: 2.7, 4* to 6*: 2.0, 7: 1.6. Club fusiform, long and slender.

Pronotum. (E/W): 0.7, transverse, widest in the middle, strongly eonstrieted just before fore margin,

sides weakly rounded. Densely and irregularly punetuate on dise, vestiture eonsisting of oval, metallie

green seales and long, dark, bowed hairs.

Elytra. (EAV) males: 2.1, females: 1.8, parallel-sided. Base mueh wider than pronotum. Shoulders

well pronouneed. Striae linear and regularly punetuate, interstriae slightly wider. Vestiture eonsisting

of green-metallie, broad, roundish seales, rounded and partly eut at hind margin, and long, semi-raised,

dark hairs. Seutellum longer than wide, rounded at tip.

Eegs. Femora mostly with small, sharp teeth (at least meso- and metafemora). This eharaeter shows

eonsiderable variation in the examined speeimens; teeth ean also be eompletely redueed, tibiae straight.

Four visible tarsal segments, segment 1.4 times longer than 2"^, 3"^^ slightly shorter, about twiee as

wide, 4^*^ segment tiny and hardly visible, 5^'^ reaehing as far as Claws fused at base, simple.

Male genitalia (Fig. 2K-0). Sides of median lobe of aedeagus parallel, apex with long, triangular and

pointed tip. Apodeme as long as median lobe. Tegmen with short parameres, tegminal apodeme straight,

about two thirds as long as apodeme of aedeagus. Ventrite 8 slightly eurved, little shorter than aedeagus.

Female genitalia. Ventrite 8 with very long and slender apodeme. Spermatheea with pointed, broad,

eurved nodulus and broad, strongly eurved eomu (Fig. 2V).

Sexual dimorphism. Same as above.

GERMANN C., A review of Dichorrhinus, with deseription of two new speeies

Diagnosis: key to the species oiDichorrhinus Desbrochers, 1875

1. Elytra with shorter and adherent hairs. Scales on elytra elongate drop-shaped, green or brown to

copper metallic, femora unarmed. Libya (Type locality: Cirene) . .freyi F. Solari, 1940

- Elytra with longer and semi-raised hairs. Scales on elytra more circular, green to greenish-bluish

metallic.2

2. Head stout, rostrum very short. Eyes smaller, antennae and legs reddish brown and short, femora

unarmed (Fig. IE, J). Aedeagus short, conical, obtuse-angled and pointed at tip (Fig. 2R, S). Syria,

Lebanon (Type locality: Djebel Baalbeck). .pseudoscythropus Desbrochers, 1875

- Rostrum longer. Eyes bigger and/or more bulged. Antennae and legs longer, at least femora

darkened, and mostly at least metafemora toothed (remark: no teeth were found on femora of D.

alziari sp. nov.; in D. geiseri sp. nov. there were always teeth varying from small and sharp to well

pronounced and strong; in D. creticus and D. korbi there were all transitions from untoothed to

small and sharp, toothed to strongly toothed).3

3. Antennae reddish brown, eyes big, semi-circular, protruding (Fig. IB, G). Apex of aedeagus with very

long spine (Fig. 2P, Q). Greece: Crete Island (= type locality). creticus (Faust, 1889)

- Antennae darkened, eyes otherwise, aedeagus different.4

4. Eyes big, less than semi-circular, protruding, head as Fig. IH. Aedeagus laterally constricted

before apex. Apex with short and rounded (blunt) spine (Fig. 2A-F). Western Turkey, Greece:

Samos Island (= type locality) . geiseri sp. nov.

- Eyes smaller and strongly protruding (almost or distinctly semi-circular). Tip of aedeagus different

(Fig. 2G-0).5

5. Eyes protruding, distinctly semi-circular, slightly asymmetrically curved (Fig. ID, I). Aedeagus

broader, laterally slightly rounded, apex acute-angled and pointed (Fig. 2K-0). Turkey (Type

locality: Amasia) . korbi Schilsky, 1911

- Eyes protruding, less than semi-circular, symmetrically curved (Fig. lA, F). Aedeagus slender,

parallel-sided to concave, apex obtuse-angled and pointed (Fig. 2G-J). Cyprus (Type locality:

Troodos Mts). alziari sp. nov.

Further records

The seasonally early-appearing species of Dichorrhinus are rarely collected and published data is scarce.

Therefore, I add the following records, registered during examinations for the present study:

Dichorrhinus pseudoscythropus Desbrochers, 1875

Dichorrhinus pseudoscythropus Doshrochors, 1875: 9 (description).

Material examined

3 2 $ $, “SYRIAbor., 4. Vi. 1999 Jabal al Ansariyah mts. Slinfeh env. (E of Latakia) 1300 - 1600

m a.s.l. S. Benedikt leg.” (cSB, cRB).

Remark

A female syntype is depicted in Stiiben et al. (2012) with the following label data (taken from photo):

“Dichorrhinus pseudoscythro-pus Desb. [followed by a female sign] Syria: Djebel - Malbeck. Desbr.

[handwritten]” (in coll. Heyden, SDEI). After L. Friedman (written communication 2012), the name

Malbeck or Naalbec very likely refers to Baalbeck, nowadays a city in Lebanon.

European Journal of Taxonomy A6\ 1-13 (2013)

Dichorrhinus creticus (Faust, 1889)

Phyllobius creticus¥mst, 1889: 92 (description).

Material examined

10 specimens, “GREECE, Crete Island, Chania, E-Chora Sfakion, Gorge, N35°12’22” / E24°07’36”,

“140m, 10.4.2012, leg. C. Germann”; 6 specimens, “GREECE, Crete Island, Chania, E-Chora Sfakion,

Imbros Gorge, N35°12'35"/E24°10'13", 170 m, 10.4.2012, leg. C. Germann” (cCG, NMBE).

Dichorrhinus freyi¥. Solari, 1940

Dichorrhinus freyi Solari, 1940: 74-76 (description).

Material examined

Holotype

S, “Cirene (Eyb.) IV. [19]38, G.Frey” // “Type [red label]” // ''Dichorrhinus Freyi [male sign] holotypus

! m. det. F. Solari” (NMB).

Paratypes

4 S3, 1 ?, same data as holotype (NMB); 1 $, “EIBYA27.111.2005 Ras El Hilal P. Weill lgt.“ (cRB).

Fig. 3. Habitat of Dichorrhinus geiseri sp. nov. in May in Oren, Turkey at 2421 m. a. s. 1. (photo: P.

Bialooki).

GERMANN C., A review of Dichorrhinus, with deseription of two new speeies

Discussion

Dichorrhinus geiseri sp. nov. from Western Turkey and Greece is similar to D. creticus based on the

big eyes, and to D. korbi and D. alziari sp. nov. based on the habitus. Concerning the male genitalia,

D. geiseri is the only species of the genus with a laterally constricted median lobus and a blunt tip.

Dichorrhinus alziari sp. nov. is similar to D. korbi based on its habitus; however, the head shape and the

tip of the aedeagus are different.

The species D. creticus, D. korbi, D. geiseri sp. nov., and D. alziari sp. nov., seem to represent a closer

related group {creticus species-group) within Dichorrhinus based on the morphological characters

examined, whereas D. pseudoscythropus, with a stout head, short and reddish brown antennae and legs,

and D. freyi, with short and adherent hairs on elytra and an apparent colour dimorphism, stand apart.

The most widespread species are Dichorrhinus korbi, with seven localities in Turkey, andD. geiseri sp.

nov., which is presently known from five localities in Greece (Samos Island) and Western Turkey (Fig.

4). Interestingly, their distribution areas overlap in Western Turkey. D. pseudoscythropus is known from

Syria and Lebanon. D. alziari is endemic to Cyprus, D. creticus is endemic to Crete Island and D. freyi

is known from two localities at the coast of Libya.

Some insights into the species’ biology as adults can furthermore be provided. Dichorrhinus creticus

was observed in spring (April) on Crete Island (Chora Sfakion) feeding on Cupressus sempervirens trees

Fig. 4. Distribution areas of Dichorrhinus spp. White circle: Dichorrhinus geiseri sp. nov. Black circle:

Dichorrhinus korbi Schilsky, 1911. Black square: D. creticus (Faust, 1889). White square with black

circle: D. alziari sp. nov. White square: D. pseudoscythropus Desbrochers, 1875. Black square with

European Journal of Taxonomy A6\ 1-13 ( 2013 )

(Fig. 5). Alziar (2012) mentions Juniperus excelsa and J. foetidissima for Dichorrhinus alziari sp. nov.

on Cyprus, and Bialooki (written eommunieation 2012) eolleeted D. geiseri sp. nov. in steppe habitats

where Cupressaeeae grew (Fig. 3). It is likely that the other speeies ean also be found on similar trees

of Cupressaeeae.

Acknowledgements

1 am thankful to Gabriel Alziar (Franee, Cassagnes-Begonhes), Stanislav Benedikt (Czeeh Republie,

Pilsen), Piotr Bialooki (Poland, State Plant Health and Seed Inspeetion Serviee, Border Division Gdynia),

Roman Borovee (Czeeh Republie, Sloupno), Miehael Geiser (Switzerland, Basel), Jean-Miehel Lemaire

(Franee, Contes), Jean Pelletier (Franee, Monnaie) and Joac him Willers (MFN) for the loan of speeimens

for study. 1 am grateful to Laibale Friedman (Israel, Department of Zoology, The George S. Wise Faeulty

for Life Seienees, Tel Aviv University) for his support in interpreting the label data, and to two referees

for their eonstruetive eritisism. Piotr Bialooki kindly provided a habitat photo.

References

Alonso-Zarazaga M.A. & Lyal C.H.C. 1999. A World Catalogue of Families and Genera of Curculio-

noidea (Insecta: Coleoptera). (Excepting Scolytidae and Platypodidae). Entomopraxis, Bareelona.

Fig. 5. Dichorrhinus creticus in April on Cupressus sempervirens, Chora Sfakion, 140 m a. s. 1., Crete

Island, Greeee (photo: C. Germann).

GERMANN C., A review of Dichorrhinus, with deseription of two new speeies

Alziar G. 1995. Contribution a la connaissance de THistoire Naturelle de Tile de Chypre (Coleoptera:

Curculionidae 1). Biocosme Mesogeen 12 (2/3): 65-82.

Alziar G. 2003. Contribution a la connaissance de THistoire Naturelle de Tile de Chypre (Coleoptera:

Curculionoidea 111). Biocosme Mesogeen 20 (1): 51-53.

Alziar G. 2012. The Curculionoidea-Fauna of Cyprus. Catalogues & Keys No. 3. http://www.curci.de/

illustrated catalogue/curculionoidea-fauna of cvprus/ (accessed 27th October, 2012).

Desbrochers des Loges M.J. 1875. Diagnoses de Curculionides inedits. Opuscules entomologiques 1,

J. Desbrochers Des Loges, Paris.

Desbrochers des Loges M.J. 1902a. Revision des Curculionides de la faune Europeenne et circa-

mediterraneenne en Alfique et en Asie, appartenant au Groupe des Scythropidae. Le Frelon 10 (9):

137-144.

Desbrochers des Loges M.J. 1902b. Revision des Curculionides de la faune Europeenne et circa-

mediterraneenne en Afrique et en Asie, appartenant au Groupe des Scythropidae. Le Frelon, 10 (10):

145-158.

Eona C. 1936. Curculionidae: Otiorrhynchinae 1. In\ S. Schenlding (ed.), Coleopterorum Catalogus. W.

Junk, The Hague.

Pesarini C. 1980. Ee specie paleartiche occidentali della tribu Phyllobiini (Coleoptera, Curculionidae).

Estratto dal Bolletino di Zoologia agraria e di Bachicoltora Serie 7/15: 49-230.

Schilsky J. 1908. Die Kdfer Europas. Nach der Natur beschrieben von Dr. 77. C. Kiister und Dr. G.

Kraatz. XLV: Nr. 48. Verlag von Bauer und Raspe. Niimberg.

Schilsky J. 1911. Die Kdfer Europas. Nach der Natur beschrieben von Dr. 77. C. Kiister und Dr. G.

Kraatz. XLVU: Nr. 54. Verlag von Bauer und Raspe. Niimberg.

Solari F. 1940. Sette nuovi Curculionidi della Eibia ed alcune note sui Ritirinini. Memorie della Societd

entomologica Italiana 19: 70-92.

Stiiben P.E., Sprick P, Behne E., Alziar G., Colonnelli E., Giusto C., Messutat J. & Teodor E.A. 2012.

The Curculionoidea of Cypms. Results of a collecting journey on Cypms by members of the Curculio-

Institute in April 2010. Snudebiller 13: 80-137.

Weill P, Pelletier J., Benedikt S. & Kresl P. 2011. Eiste des charan 9 ons collectes en Syrie durant trois

annees completes et plusieurs excursions entre 1999 et 2004 - base pour un futur catalogue (Coleoptera,

Curculionoidea). Weevil News 66: 1-25. http://www.curd.de/weevilnews/no/66/

Winkler A. 1924-1932. Catalogus Coleopterorum Regionis Palaearcticae. Albert Winkler Verlag, Wien.

Manuscript received: 24 January 2013

Manuscript accepted: 18 May 2012

Published on: 7 June 2013

Topic editor: Koen Martens

Desk editor: Kristiaan Hoedemakers

Printed versions of all papers are also deposited in the libraries of the institutes that are members of

the EJT consortium: Museum National d’Histoire Naturelle, Paris, France; National Botanic Garden

of Belgium, Meise, Belgium; Royal Museum for Central Africa, Tervuren, Belgium; Natural History

Museum, Eondon, United Kingdom; Royal Belgian Institute of Natural Sciences, Bmssels, Belgium;

Natural History Museum of Denmark, Copenhagen, Denmark.