Oxycera nigricornis
Oxycera nigricornis, the delicate soldier, is a European species of soldier fly. Description. Vein RH5 is simple. The thorax is very bare and shining in both sexes; in the females, longitudinal stripes are joined anteriorly to large patches on the nototpleuron. Biology. The habitat is wetlands, marshes. Adults are found June to August. Distribution. Taiga and forest zones of the European part of the USSR and Siberia, northern Kazakhstan, Primor'e Territory. North and Central belts of Western Europe, northern Mongolia.