Genus Longicellochrysa gen. nov.

Type species. Longicellochrysa yixiana gen. et sp. nov.

Etymology. Longi- (from Latin longus, long), -cello- (from Latin cella, cell) and –chrysa (a traditional ending of chrysopoid genus-group names, from Chrysopa), in reference to the long intramedian cell in the forewing of the type species. Gender: feminine.

Diagnosis. May be distinguished from other genera by the following forewing features: antennae long [very short in the Tachinymphinae genus Tachinymphes Ponomarenko, 1992], im long [short in the genera of Allopterinae], basal crossvein connecting im and CuA long [absent or very short in the genera of Allopterinae]; long hypostigmal cell absent [present in the genera of Mesochrysopinae].

Species included. Longicellochrysa yixiana sp. nov.