Tipula (Savtshenkia) pilipenkoi sp. n., a new cranefy species of Tipulidae (Diptera) from the Russian Far East

Abstract

A new cranefy species from Kunashir Island (Russian Far East), Tipula (Savtshenkia) pilipenkoi sp. n. (Diptera: Tipulidae), is described and illustrated based on the male imago. Te new species is closest to the Japanese species T. (Savtshenkia) mohriana Alexander, 1954, and difers by the structure of hypopygium, especially by the structure of tergite 9 and inner gonostylus. Tipula (Savtshenkia) kiushiuensis Alexander, 1925 is recorded from the Kuril Islands for the frst time. Diagnosis of Tipula (Savtshenkia) pilipenkoi sp. n. Medium-sized yellow-brown species. Scape and pedicel yellow, fagellomere dark brown. Prescutum with four dark brown longitudinal stripes, pleura without brown longitudinal stripe. Wings light brownish, with a very obscure brownish pattern and a brown stigma. Abdomen yellow with a brown apex. Sternite 9 without an unpaired projection in the proximal part. Tergite 9 divided along the middle into two separate lobes, connected by a translucent membrane. Sternite 8 moderately elongated posteriorly; its apex with a deep and wide notch, and its posterolateral projections with long strong setae. Outer gonostylus rod-shaped, with a small darkened tooth at the base. Inner gonostylus with a large semi-membranous dorsal crest strongly curved outwards; the outer basal lobe in the form of a plate sharply bent outward and forward.

Keywords

• diptera
• tipulidae
• tipula
• savtshenkia
• new species
• kunashir island
• russia