F. Torres et Sf. Gayubo, DESCRIPTION OF MATURE LARVA OF OSMIA (ACANTHOSMIOIDES) NIGROBARBATA (HYMENOPTERA, MEGACHILIDAE), Entomological news, 107(4), 1996, pp. 186-192
The mature larva of Osmia (Acanthosmioides) nigrobarbata is described
and compared with the other described larvae in the genus. The antenna
l papillae and the maxillary and labial palpi are the fundamental morp
hological features which permit the characterisation of the species st
udied.