Da. Schmidt, DESCRIPTION OF THE IMMATURES OF ERICHSONIUS-ALUMNUS FRANK AND ERICHSONIUS-PUSIO (HORN) (COLEOPTERA, STAPHYLINIDAE), The Coleopterists bulletin, 50(3), 1996, pp. 205-215
The egg, third instar larva, and pupa of Erichsonius alumnus Frank and
Erichsonius pusio (Horn) and the first and second instar larvae of E.
pusio are described. Both adults and larvae live in moist organic deb
ris along streams and ponds. Erichsonius pusio appears to have a univo
ltine life cycle.