Goniglossum wiedemanni ( Meigen, 1826 )

Freidberg, Amnon, 2016, New taxa of Carpomyini, with special emphasis on Goniglossum (Diptera: Tephritidae: Trypetinae), Zootaxa 4144 (1), pp. 54-70: 65-66

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Goniglossum wiedemanni ( Meigen, 1826 )


Goniglossum wiedemanni ( Meigen, 1826) 

Figs. 5 View Figure , 7 View Figure , 12 View Figure , 14 View Figure , 24 View Figure

Partial synonymy: Trypeta wiedemanni Meigen, 1826: 320  .

Goniglossum wiedemanni  . Rondani 1856: 110 (classification). Silvestri, 1920: 205 (biology). Hendel, 1927: 88 (Palaearctic fauna [ Gonioglossum  , sic]). Séguy, 1934: 118 (French fauna [ Gonioglossum  , sic]). Freidberg and Kugler, 1989: 189 ( Israel fauna; misidentification of G. liat  ). Merz, 1994: 103 (Swiss fauna). Norrbom, 1997: 340 (key and cladistics). White, 1998: 37 (British fauna). Smit, 2010: 128 (Dutch fauna).

Carpomya wiedemanni  . Norrbom et al, 1999 (World catalog; see also for additional synonyms).

This species is very similar to G. l i a t and is therefore not redescribed in full. Only differences from the new species are listed, and these are primarily in the thoracic color pattern and the male and female terminalia.

Head: No significant differences between the species were observed.

Thorax ( Figs. 5 View Figure , 7 View Figure ): Dark thoracic pattern similar to G. liat  but somewhat reduced compared to it. Dark median mesonotal vitta in G. wiedemanni  conspicuous only on posteror half of scutum or less, whereas on anterior half this vitta yellow, barely distinguishable from yellow background, at most with small dark spots or streaks primarily in areas lacking microtrichia; branching of vitta not obvious, and shiny black lateral spots, extending from postpronotal lobe to base of wing, disconnected from median vitta. Scutellum posteromedially around apex with 3 usually isolated black spots ( Fig. 5 View Figure ). Single squarish or oval large dorsomedian spot, similar to but slightly narrower than posterior broadening of median vitta (over scutoscutellar suture), and small round spot each around base of apical scutellar seta, at margin of scutellum; these 3 spots sometimes more or less merge with each other, but even in extreme cases small but conspicuous yellow mark obvious in middle of united black spot (no such yellow mark in G. l i a t). Pleural pattern ( Fig. 7 View Figure ) differs from that of G. l i a t by dark vittae being weakly contrasted with yellow or ivory-white background, if present at all; these vittae usually yellow or brownish-yellow, and black or blackish areas reduced to small rounded blackish spot posterodorsally on katepisternum, and to similar spot in middle of meron; both spots with diameter smaller than length of crossvein R-M. Group of such small blackish areas present dorsal and anterior to base of halter. The only exception was found in the three specimens from Rheinland, Germany (see material examined) in which these dark spots are larger, especially large triangular spot occupying most of katepisternum.

Wing: No significant differences were noted between the wing pattern and venation of the two species.

Abdomen: Yellow to brown, without black bands; tergites 2–4 in male, 2–5 in female, with golden-yellow microtrichia either completely covering tergites or only their posterior margins; only last tergite bare and shiny.

Male terminalia: Epandrium: No significant differences from G. l i a t have been noted. Phallus ( Fig. 12 View Figure ): Bubble-like structure smaller than in G. liat  , about as long as sclerotized part anterior to it.

Female terminalia ( Fig. 14 View Figure ): Aculeus apically narrower ( Fig. 14 View Figure a): aculeus- width-ratio averages 3.90 (range: 3.50–4.23); aculeus -shoulders -ratio averages 3.68 (range: 3.31–4.08); serration of arrow-head apex averaging 7.2 teeth (range 5–8; Fig. 14 View Figure b). Spermathecae spherical to ovoid (as in Fig. 15 View Figure a).

Measurements: No statistically different measurements from those of G. liat  were noted.

Material examined. GERMANY: Rheinplatz, 1872, Mik (1♂; SMNHTAU); Rheinland , Köln-Riehl , [50o58'N 6o58'E]GoogleMaps  , 21.v.1990, M. Forst (1♂, 1♀; ZMFK), 19.vi.1990, M. Forst (1♂; ZMFK). AUSTRIA: (1♂; SMNHTAU). Wien [48o07'N 16o23'E], 15.4.[18]75, Mik (3♂; SMNHTAU)GoogleMaps  . ITALY: Rt. S 253, Bognocavallo, 10KmW Ravenna , 44o26'N 12o03'E, [fruit collected on:] 27.vii.2005, A. Freidberg; ex fruit Bryonia dioica  , [adult emerged between:] 25.iv–25.v.2006 (48♂, 52♀; SMNHTAU); same locality, but fruit collected in summer 2006, G. Pezzi; ex fruit Bryonia dioica  , adult emergedGoogleMaps  : 10.iv.2007 (68♂, 65♀; SMNHTAU); Bagno Garano , summer 2006, G. Pezzi, ex. Bryonia dioica  fruit, [adult emerged between:] 20–30.iv.2008 (11♂, 11♀; SMNHTAU); Fiastra [43o02'N 13o09'E], Silvestri (3♂, 3♀; MCSNM)GoogleMaps  .

Host plants. The larvae develop in berries of Bryonia alba  L. and B. dioica Jacq.  ( Cucurbitaceae  ) ( Hendel, 1927). The author and his colleague (G. Pezzi) reared this species from B. dioica  .

Distribution ( Fig. 24 View Figure ). The Palaearctic catalog ( Foote, 1984) states: Central and southern Europe (not including Scandinavia), Central and south-western Russia, Israel, North Africa. However, the record of Israel is based on a misidentification of G. liat  , and the record of North Africa is probably based on the unconfirmed record of Séguy (1934) and is therefore doubtful (notice question marks in Fig. 24 View Figure ). Other records from Israel ( Freidberg and Kugler, 1989, and Norrbom et al., 1999) are also incorrect as they are again based on misidentifications of G. liat  .

Comments. Although very similar to G. l i a t, the only other congener, the characters depicted in the key should allow easy identification for both species.






Goniglossum wiedemanni ( Meigen, 1826 )

Freidberg, Amnon 2016


Goniglossum wiedemanni

Smit 2010: 128
White 1998: 37
Norrbom 1997: 340
Merz 1994: 103
Freidberg 1989: 189
Seguy 1934: 118
Hendel 1927: 88
Silvestri 1920: 205
Rondani 1856: 110