Orsodacne Latreille, 1802

Legalov, Andrei A., 2022, First record of Orsodacne humeralis Latreille, 1804 (Coleoptera: Orsodacnidae) in Afghanistan, Ecologica Montenegrina 54, pp. 77-80 : 78-79

Genus: Orsodacne Latreille, 1802

Species: Orsodacne humeralis Latreille, 1804 ( Figs. 1, 2 )

Material: Male ( ZIN), AFGHANISTAN, “Afghan., Nimruz, Cakhansur , 28.II.1973, Kabakov” .

Description. Male: Body black, covered with dense semierect setae. Antennae and palpi brownish. Head capsule hypognathous, constricted behind eyes. Labrum free, finely punctate. Clypeus transverse, punctuate. Eyes large, rounded, convex, finely faceted. Forehead wide, impressed, densely punctate. Temples short. Antennae inserted before eyes, filiform and long, extending behind humeri. Antennomere 1 1.5 times as long as wide. Antennomeres 2-10 long-conical. Antennomeres 2 and 3 equal in length. Antennomere 2 1.2 times as long as wide, about 0.6 times as long as and 0.7 times as narrow as antennomere 1. Antennomere 3 1.3 times as long as wide, slightly narrower than antennomere 2. Antennomere 4 1.3 times as long as wide, about 1.2 times as long as and 1.2 times as wide as antennomere 3. Antennomeres 5-7 equal in width. Antennomere 5 1.4 times as long as wide, 1.1 times as long as and slightly wider than antennomere 4. Antennomere 6 1.5 times as long as wide, 1.1 times as long as antennomere 5. Antennomere 7 1.6 times as long as wide, slightly longer than antennomere 6. Antennomeres 8-10 equal in width. Antennomere 8 1.6 times as long as wide, slightly longer and slightly wider than antennomere 7. Antennomere 9 about 1.9 times as long as wide, 1.2 times as long as antennomere 8. Antennomere 10 2.1 times as long as wide, slightly longer than antennomere 9. Antennomere 11 2.8 times as long as wide, 1.3 times as long as and slightly narrower than antennomere 10, weakly pointed at apex. Pronotum slightly longer than wide at apex, 0.9 times as long as wide in middle, about 1.1 times as long as wide at base. Sides weakly arcuate sides in apical and middle thirds, concave before middle. Disc densely punctate, with distances between punctures subequal or larger than their diameters. Scutellum semi-oval, about 0.8 times as long as wide. Elytra subparallel-sided, densely punctate, 2.2 times as long as wide at base, about 1.9 times as long as wide in middle, 2.3 times as long as wide at apical fourth, about 2.8 times as long as pronotum. Humeri weak. Striae absent. Distances between punctures subequal or larger than their diameters. Epipleuron distinct. Procoxal cavities narrowly separated. Metaventrite 2.6 times as long as metacoxal length, flattened, densely punctate. Metanepisterna narrow, about 6.3 times as long as wide in middle. Wings developed. Abdomen with free ventrites. Ventrite 1 about 1.4 times as long as metacoxal cavity length. Ventrite 2 about 0.6 times as long as ventrite 1. Ventrite 3 equal to ventrite 2. Ventrite 4 shorter than ventrite 3. Ventrite 5 shorter than ventrite 4. Legs long. Femora thickened. Tibiae quite almost straight, with two spurs, without mucros. Tarsomere 1 wide-conical. Tarsomere 2 conical. Tarsomere 3 bilobed. Tarsomeres 1-3 with weak pulvilli on lower surface. Tarsomere 5 long. Trasal claws free and bifid.

Remarks. This species is characterized by different colours in Asia Minor, from yellow-brown with a brown head to brown with a red pronotum and a black head, or dark with a red pronotum, partly brownish antennae and legs, or dark with yellow longitudinal stripes on the elytra, antennae and partly legs, or yellow-brown with a black head and partly elytra, partially brownish antennae, pronotum and legs.

Distribution. Northern Europe: Great Britain; Southern Europe: Spain, Portugal, France, Italy; Western Europe: Switzerland, Germany, Austria; Balkans: Croatia, Bosnia and Herzegovina, Montenegro, Serbia, Bulgaria, Macedonia, Greece; Eastern Europe: Czech Republic, Slovakia, Slovenia, Poland, Hungary, Ukraine, Moldavia, Romania; south of European part of Russia; Caucasus: Georgia, Azerbaijan; Asia minor: Turkey, Lebanon, Israel, Iraq, Iran, Syria, Afghanistan (fig. 3).

Figures

Figure 2. Orsodacne humeralis, male, dorsal view, Afghanistan.