Claassenia, Stark & Sivec, 2010

Stark, Bill P. & Sivec, Ignac, 2010, Systematic Notes On The Genus Claassenia Wu (Plecoptera: Perlidae), With Description Of A New Species, Illiesia 6 (24), pp. 303-314 : 313

Claassenia MyA

( Figs. 36-37 )

Claassenia sp. B Stark & Gaufin, 1976:41

Material examined. Burma [ Myanmar]: Myitkyina , 30 May 1945, L.C. Kuitert, 1♂ (pinned, SEC) . Myanmar: 16 km E Putao, Kaung Mu Lon , 28-30 April 1998, S. Murzin, V. Siniaev, 1♂ ( ZIRA) .

Adult habitus. General color brown to dark brown. Head yellow brown with darker pigment over ocellar region. Pronotum brown, legs and wings dark brown.

Male. Macropterous, forewing length 29 mm. Hemitergal lobes short, finger-like, narrowed at tip and widest at mid length in dorsal aspect ( Fig. 36 ); dorsal margin straight in lateral aspect, ventroapical margin bare ( Fig. 37 ). Tergum 9 with a large circular patch of sensilla basiconica, tergum 8 with a smaller patch.

Female. Unknown.

Larva. Unknown.

Comments. Both specimens listed above are from the Irrawaddy River drainage of northern Myanmar. These specimens may represent an undescribed species but a larger sample, including gravid females is needed for confirmation.

Figures

Figs. 36-37. Claassenia MyA structures. 36. Male genitalia, dorsal. 37. Male hemitergum, lateral.