CONTRIBUTIONS TO OUR KNOWLEDGE OF THE BRITISH BRACONID^. 151 



extreme base of scape), eyes, stematicum, claws, hind tibise at 

 apex, hind tarsi and a small spot above each radix, black. 

 Eadius of hind wing distinct, hind calcaria rather weak, approxi- 

 mately one third as long as the metatarsus. Antennae with 

 about 70 joints. 



Eeinhard described the species from a single female and the 

 male appears to be still unknown. 



The only British specimen hitherto recorded is a female bred 

 by Morley from a small larva Smerintlius popidi at Monks Sobam, 

 Suffolk. In my collection is a fine example of the same sex 

 which measures 10 mm. in length and has an expansion of no 

 less than 20 mm. ; this specimen I owe to the generosity of 

 B. S. Harwood, who captured it on a lighted shop window at 

 Sudbury. The species is very possibly nocturnal, as are many 

 other testaceous Hymenoptera. Harwood has still another 

 female taken at Colchester some years ago. 



Irregularis, Wesm.* 



A smaller species having a length of 6-7 mm. only. It is at 

 once recognised by the smooth and shining apex of the abdomen 

 as well as by the flavous, black-tipped hind tibiae. In the 

 Cambridge University Museum are two ancient examples from 

 the collection of the old Cambridge Philosophical Society ; these 

 are unfortunately damaged, one having lost its head and the 

 other parts of both antennae — the usual fate of pinned specimens. 

 Harwood has a female taken many years ago at Colchester by 

 his father, and no doubt that mentioned by Marshall (' Trans. 

 Bntom. Soc.,' 1885, p. 91). Morley gives numerous British 

 localities. 



Bicolor, Spin.f 



• Variable ; very close to tristis, Wesm,, the distinctions given 

 by Marshall being somewhat obscure and principally differences 

 of colour only. I have several times taken it in the New Forest, 

 the earliest date being May 16th and the latest July 20th, and 

 captured a male at Becton Bunny, Hants, on May 16th, 1910. 

 All these have 41-44-jointed antennse, which caused me for some 

 time to doubt the correctness of my determination. Marshall 

 gives the number of joints as 37-40. 



^Genicalator, Nees.t 



At first sight very similar to gasterator, Jurine, and irregularis, 

 Wesm., but distinguished from those species by the short and 

 feeble hind calcaria. My only example, a female, was bred on 



' ' Nouv. Mem. Ac. Brux.,' 1838, p. 101. 



t ' Ins. Lig.,' ii, p. 128. 



+ ' Mag. Ges. Berl.,' 1811, p. 33. 



