M. Ahola, Redescription of the larva of Siobla ruficornis (Gimmerthal, 1834) (Hymenopoptera, Tenthredinidae) from East Finland, ENTOMOL FEN, 12(1), 2001, pp. 28-32
The larva of Siobla ruficornis (Gimmerthal, 1834) is redescribed on the bas
is of specimens collected in East Finland (PS:Heinavesi) on 14 August 1999.
Four larvae were found on Prunus cerasus and one on Rubus idaeus, Malaise
(1932) briefly described ornaments of a larva found on Epilobium angustifol
ium in NE Asia. The habitus of Finnish larvae conforms closely to Malaise's
description. Further characteristics are added here and drawings of mouthp
arts and colour picture of larva are given.