Although the more rounded labrum and acute mandibles, 

 as well as the form of the 4th joint of the maxillary palpi and 

 the great breadth of the 3rd joint of the labial palpi, are im- 

 portant differences to distinguish our genus from Abia ; a 

 more obvious character is to be found in the antennae, each of 

 which is composed of 6 joints only, the club being formed by 

 2 instead of 3 articulations. 



At present there is no other species of this genus described: 

 the one figured is rare in this country, and I have had no op- 

 portunity of examining a male. The females have been taken 

 by J. F. Stephens, Esq. in Coombe Wood in May; from which 

 we may infer that the males are more scarce (an opinion that 

 is corroborated by the females being constantly figured, and 

 the specimens I have received from Germany for dissection 

 being all of that sex), a circumstance that is somewhat sin- 

 gular, because in Abia, to which it is so closely alhed, the 

 males are by far the more common sex. 



The plant figured is Adoxa Moschatellina (Tuberous Mos- 

 chatel). 



