Genus Hemisphaerius Schaum, 1850
Hemisphaerius Schaum, 1850: 71 .
Type species: Hemisphaerius coccinelloides (Burmeister, 1834) .
Diagnosis
The characters defining the genus were given by Gnezdilov (2017b):
(1) frons flat, smooth, widened above clypeus, with lateral margins slightly projecting on sides;
(2) frons and postclypeus without carinae;
(3) vertex wider than long;
(4) pro- and mesonotum without carinae;
(5) costal margin of tegmina not strongly projecting anteriorly under eye;
(6) hind wings rudimentary;
(7) metatibiae with 2 lateral spines;
(8) periandrium asymmetrical;
(9) aedeagus without ventral hooks;
(10) posterior margin of pygofer rounded in lateral view;
(11) gonostyli with short and wide capitulum;
(12) anal tube wide in dorsal view.
Distribution
China, Japan, Taiwan, Vietnam, Cambodia, Myanmar, Thailand, India, Sri Lanka, Malaysia, Singapore, Philippines, Indonesia, New Guinea, Solomon Islands (Bourgoin 2023).