UMIVERSITATIS LATVIENSIS - DSpace

Laboulbenia polyphaga Thaxt.
Found on Calathus melanocephalus L., at Zilupe (12. VI
1929) under stones in a sandy place on the bank of the river
Zilupe.
Laboulbenia brachiata Thaxt.
Rather frequent on Patrobus excavatus Payk. under stones
and decaying leaves on river banks: Valka (10. VII 1933), Ogre
(7. IX 1931 and 16. VIII 1933), Valmiera (24. VIII 1933).
Laboulbenia rigida Thaxt.
On Pterostichus nigrita Fbr.