VESPA MAGNIFXCA. 
163 
ri; _ ^ 
C D 
Fig. 84—A. Vespa Magnifica, to show median segment and single trochanter 
(tr). B. Braconid to show junction of thorax and abdomen. Pet.- 
Petiole, Med. seg-Median segment. Tr. 1, Tr. 2, the double trochan¬ 
ter.. 0. Thorax op sphegid to show collar-like prothorax. D. ditto, 
of Pom pi ltd to show prothorax reaching the tegulae. 
There is a very extensive literature on this group. The Sessili- 
ventres and Parasitica have been largely listed in Genera Insectorum and 
the Ichneumonidce and Bmconidw are being monographed in the Fauna 
of India shortly. The Tubulifera and Aculeata are already monographed 
in the Fauna of India but the student will find a large number of species 
since described by Cameron, Nurse and others. 
It is at present useless to attempt to grapple with the Parasitica , 
and our account below must, in the absence of the Fauna volume, be 
meagre in the extreme. Collections in this group are badly wanted and 
there is here a very large field for collecting and research, specially in 
tropical India. In the Aculeata , the pioneer work of listing and describ- 
