Acropermula Aristov & Storozhenko en. n.
Type species.
Permula acra Kukalová, 1964, Lower Permian of Czech Republic.
Diagnosis.
By shape of forewing CuA, the new genus undoubtedly belongs to family Ideliidae . It is easily distinguished from all known genera of Ideliidae in excised base of costal area.
Description.
Anterior margin of forewing strongly convex; costal area broad, crossed with mostly furcated anterior branches of SC, the base of costal area distinctly excised; subcostal area very narrow; RA simple; radial area broad, with numerous slightly backwardly slanted cross-veins; RS with several branches; M dividing before the origin of RS; CuA concavely bent, with a long pectinate series of branches. CuA2 not individualized; intercubital area with single intercalary branch of CuA; cross-veins forming numerous rows of cells in almost all areas.
Composition.
A type species only.
Ethymology.
After the species name acra and genus Permula; feminine in gender.
Notes.
The description of a new genus is based on illustrations and diagnosis of Permula acra ( Kukalová 1964).