Andrena (Parandrena) wolfi Gusenleitner & Scheuchl 2000

Pisanty, Gideon, Scheuchl, Erwin & Dorchin, Netta, 2016, Eight new species of Andrena Fabricius (Hymenoptera: Apoidea: Andrenidae) from Israel—a Mediterranean hotspot for wild bees, Zootaxa 4189 (3), pp. 485-515: 503-504

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Andrena (Parandrena) wolfi Gusenleitner & Scheuchl 2000


Andrena (Parandrena) wolfi Gusenleitner & Scheuchl 2000  

( Figs. 8 View FIGURE 8 , 12 View FIGURE 12 F, 13F)

Male ( Fig. 8 View FIGURE 8 A). Body length: 7–8 mm.

Color. Mandibles black basally, reddish-brown to black apically. Clypeus with large rhomboid yellow spot occupying most of its area; two dark lateral wedge-shaped spots penetrate the yellow area from above ( Fig. 8 View FIGURE 8 B). Rest of face, including paraocular area, black. Scape, pedicel and flagellomere 1 black; flagellomeres 2–11 dark brown to black ( Fig. 8 View FIGURE 8 B –C). Mesosoma black. Legs brown to black. Wings transparent, veins brown, stigma tan. Terga and sterna brown to black, marginal zones light brown ( Fig. 8 View FIGURE 8 D).

Pubescence. Head, mesosoma, femora and tergum 1 with long white to golden hairs. Tibiae and tarsi with white to golden hairs. Discs of terga 2–5 with medium white hairs ( Fig. 8 View FIGURE 8 D). Marginal zones of terga 2–4 with white hair bands, discontinuous in terga 2–3, continuous in tergum 4. Anal fimbria with white to yellowish hairs ( Fig. 8 View FIGURE 8 D). Sterna with long white hairs, especially on marginal zones, forming apical hair bands.

Head ( Fig. 8 View FIGURE 8 B –C). Broader than long ( Fig. 8 View FIGURE 8 B). Mandibles long and sickle-shaped, crossed ( Fig. 8 View FIGURE 8 B). Labral process snout-shaped, thickened apically. Clypeus broad, almost flat, shagreened, very shallowly punctured, with impunctate midline, distance between punctures 1–3 puncture diameters, puncture size medium. Flagellomere 1 matt, shorter than 2; 2–11 shiny; 2–4 of equal length, longer than broad ( Fig. 8 View FIGURE 8 C). Ocelloccipital distance 1.5–2 ocellus diameters ( Fig. 8 View FIGURE 8 C). Genal area very broad, preoccipital ridge with lateral carina.

Mesosoma ( Fig. 8 View FIGURE 8 C). Dorsolateral angle of pronotum elevated, with strong lateral carina extending down. Mesonotum and scutellum shagreened, distance between punctures 0.5–2 puncture diameters, punctures coarse on mesonotum and medium-sized on scutellum. Propodeum roughened and rugose. Forewing usually with two submarginal cells of similar size (recurrent veins 1–2 ending at submarginal cell 2), more rarely with three submarginal cells. Nervulus interstitial to antefurcal.

Metasoma ( Fig. 8 View FIGURE 8 D). Terga very shiny, shagreened basally, smooth to superficially shagreened apically. Punctures of medium size and density, distance between punctures 0.5–2 puncture diameters.

Genitalia and hidden sterna ( Figs. 12 View FIGURE 12 F, 13F). Gonocoxites with strong, pointed dorsal lobes. Gonostylus spatulate, broadening apically. Penis valves of moderate width, tapering apically, basal part with broad ventral lamella projecting laterally ( Fig. 12 View FIGURE 12 F). Sternum 8 columnar, narrow and elongate, apex broadened ( Fig. 13 View FIGURE 13 F).

Differential diagnosis. The male of A. wolfi   is easily distinguishable from A. iohannescaroli   by the partially yellow clypeus (fully black in A. iohannescaroli   ) and short flagellomere 1 (almost as long as 2+ 3 in A. iohannescaroli   ).

Flight period: February –April.

Flower records: Brassicaceae   : Erucaria microcarpa   (2♀); Caryophyllaceae   : Silene aegyptiaca   (1Ƌ).

Material examined: ISRAEL: Bet Guvrin , 27.iii.1976, A. Freidberg (1♀)   ; Devira, 12.iv.2009, L. Friedman (1Ƌ); Gal'on , 2 km NW, 5.iv.2015, G. Pisanty (1♀)   ; Lakhish , 3 km NE, 4.iii.2016, G. Pisanty (1♀)   ; Yiftach , 21.iv.2015, O. Winberger (1♀)   . WEST BANK: Berakha , 2 km S, 6.iii.2015, L. Friedman (4♀, 2Ƌ); En Mabua, 28.ii.2007, L. Friedman (2♀)   ; Jerusalem, upper Nahal Darga, 8.iii.2015, T. Jumah (1Ƌ); Kefar Adummim, northfacing slope of Nahal Perat , 27.ii.2007, A. Freidberg & L. Friedman (22♀, 6Ƌ); Kefar Adummim, southern slope, 28.ii.2007, L. Friedman (1♀)   ; Nahal Perat , 14.iii.2015, G. Pisanty (2♀)   ; Nahal Perat, south-facing slope, 28.ii.2007, L. Friedman (1Ƌ); Za'atara , 6.iii.2015, T. Jumah (2♀)   . ISRAEL / WEST BANK?: Judean Desert , 11.iii.1980, A. Hefetz (3♀, 1Ƌ) [ES, OLML, SMNHTAU].  

Remarks. Andrena wolfi   was hitherto known from only two females collected in the West Bank ( Gusenleitner & Scheuchl 2000). A single male collected in Sicily and described as Parandrena iohannescaroli Nobile 2000   , was assumed to be the male of A. wolfi   and hence synonymized (Gusenleitner & Schwarz 2 002). However, our discovery of males collected very close to the type locality, and appearing radically different from the Sicilian specimen, lead us to reinstate A. iohannescaroli   as a valid species.


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