Drusus romanicus Murgoci and Botosaneanu, 1953

Vitecek, Simon, Kucinic, Mladen, Olah, Janos, Previsic, Ana, Balint, Miklos, Keresztes, Lujza, Waringer, Johann, Pauls, Steffen U. & Graf, Wolfram, 2015, Description of two new filtering carnivore Drusus species (Limnephilidae, Drusinae) from the Western Balkans, ZooKeys 513, pp. 79-104 : 90-93

Taxon classification Animalia Trichoptera Limnephilidae

Drusus romanicus Murgoci and Botosaneanu, 1953 Fig. 9

Material examined.

1 male: Romania, Apuseni Mts., Garda de Sus, tributary of Ariesul Mare; N46.4508, E22.7982; leg. Oláh, Bajka, Balogh, Borics; 29.V.2013; in coll. WG. 1 male: Romania, Apuseni Mts., Muntii Giaului, Stiunea Muntele Baisorii, Lupinus stream; leg. Oláh, Balogh, Fekete; 18.VI.2013; in coll. WG. 1 male: Romania, Retezat Mts, Bucara Stream, 150 m below Bucara lake; N45.3570, E22.8753; leg. Bajka, Balogh, Borics, Borics; 10.VIII.2013; in coll. WG.

Type locality.

Romania, Carpathian Mountains, spring areas of the Ialomita stream.

Description.Adults. Habitus brown to light brown; sternites and tergites brown to light brown; cephalic and thoracic setal areas pale; cephalic, thoracic and abdominal setation blond; legs light brown, proximally darker; haustellum and intersegmental integument pale, whitish; wings brown, proximally lighter, with blond setae on veins and membrane. Male maxillary palp 3-segmented; forewing length 12-14 mm; spur formula 1 –3– 3.

Male genitalia (Fig. 9). Tergite VIII brown, setae present; spinose area in lateral view approximately flat with slight dorsal protrusion, in dorsal view suboval, distally straight; flanked by membraneous, less sclerotized areas. Segment IX in lateral view dorsally with distinct notch distally, ventrally irregularly concave distally; in caudal view ventrally wider than dorsally; with distinct subtriangular rounded protrusion in dorsal half (best seen in dorsal view). Superior appendages in lateral view elongate suboval, curved obtusely dorsocaudad in proximal quarter, proximally with round dorsal protrusion and irregular ventral protrusion, longest in anterioposterior axis: approximately 4.5 times longer than high; in dorsal view proximally distinctly concave medially; medial transverse section circular. Intermediate appendages in lateral view with rounded, rough tip; in dorsal view tips separate, laterally diverging; in caudal view subtriangular. Inferior appendages in lateral view conical, long, dorsally irregular, proximally slightly concave dorsally; in ventral and dorsal views proximal half robust, distal half slender with slight medial protrusion and shallow notch. Parameres simple, with medial hook-shaped tip bearing several smaller tines.

Female and pupa unknown; larva in key presented by Vitecek et al. (in press).

Distribution.

Regionally in the Western and Southern Carpathians (ecoregion 10) (Fig. 11).