Drilus

Kobieluszova, Lucie & Kundrata, Robin, 2015, Taxonomic review of Drilus Olivier, 1790 (Elateridae: Agrypninae: Drilini) from Asia Minor, with descriptions of seven new species and comments on the female antennal morphology in Drilini, Zootaxa 4012 (1) : -

Drilus sp.

( Fig. 50 )

Material. 2 larvae (only parts of exuviae, cerci and head present), "SW Turkey, Knidos, 31/05/2012 " ( PCRK).

Description. Larva. Head and tergites brown, with dark brown markings laterally. Head well sclerotized; mandibles narrow and falcate. Tergites pigmented, with long setae; last segment small, slender. Cerci slightly bent upward, densely covered with long pubescence (partly removed), cerci apically cuspidate, apex short ( Fig. 50 ).

Remarks. Only the exuviae, last abdominal segments with cerci and one head were found in the shells of Eobania vermiculata ( Müller, 1774) (Helicidae) collected in the ruins of Knidos (Datça district, Muğla Province). This species differs from D. robustus sp. nov. by much shorter cuspidate apex of cerci ( Figs 49–50 ). Without the knowledge of immature stages for the vast majority of Drilus species in Turkey, we are not able to identify these larvae to the species level. Given the distribution of Drilus species in Asia Minor ( Fig. 55 ), this larva might represent a yet undescribed species.

Figures

FIGURE 55. The distribution of Drilus species in Asia Minor.

FIGURES 46 – 50. Drilus robustus sp. nov., female. 46, habitus; 47, genitalia; 48, antenna. Larval cerci. 49, D. robustus sp. nov.; 50, Drilus sp. (Turkey, Muğla Prov., Knidos). Scale bars = 2.0 mm (Fig. 46), 1.0 mm (Figs 47, 49 – 50), 0.5 mm (Fig. 48).