PLATE XV. 



1 <$ . Apathus rupestris, male. 



1 ? . female. 



2 $ (should be ? ). Apathus campestris, female. 



2 ? . Apathus vestalis, female. 



3 ? . Bombus fragrans, female. 



4(. Soroensis (var. Burrellanus), wale. 



