34 INTRODUCTORY REMARKS. 



Of all authors^ Fabricius is the only one who 

 has attempted much in this way. Let us now see 

 how far he has succeeded. Of six of his new 



genera Oryssus, namely, Larra, Scolia, Thynnus, 

 Leucospis, and Dory his, it has never been my for- 

 tune to see a single species. Scolia and Leucospis, 

 as far as I can form a judgment from figures, ap- 

 pear to be good genera. The former, from its 

 thorax, retuse behind, and body usually hairy, I 

 conjecture to have some affinity with Mutilla : the 

 latter approaches near to Chalcis ; its principal 

 distinction is its aculeus reflected and laid upon 

 the back of its abdomen (/'). Banchus and Ophion, 

 I think, are without sufficient reason separated 

 from Ichneumon ; but these may furnish a ^ood 

 hint for families in that genus. Foenus, especially 

 if more species are discovered distinguished by the 

 same peculiarities, may with propriety be consider- 

 ed as distinct. Evania, I have seen only Evania 

 Appendigaster{c)^ I conjecture to be too nearly re- 

 lated to some of the Pompili. Chalcis, Pompilus, 

 Tiphia, Bemhex, Philanthus, and Crahro, would 

 furnish, I apprehend, the Linnean entomologist a 

 clue for the formation of an equal number of na- 

 tural genera, but many species now considered as 

 belonging to them should first be excluded (c/) . 



{h) See Adams on the Microsc. PI. IJ . fig. 1, 2, 3. 



(c) This singular insect has been taken in England, with 

 several others equally rare, by the Rev. Jas. Coyte of Ipswich. 



{d) E.G. I should regard all those species of Bemlex as il- 

 legitinaate that want the LuUiim conkum. 



I have 



