i68 HYMENOPTERA ACULEATA. 



TerVms). Braunstone, Leicestersliire ; Botusfleming; 

 (Marshall). Land's End ; {Marqiiaiicl) . Exmoutt ; Whit- 

 sand Bay, Plymouth; (Bignell). Gloucestershire; (PerMns). 

 Glanvilles Wootton ; (Bale), who records that a specimen of 

 this species having made a nest in his mother's work- 

 basketj used regularly to fly to the window, and knock 

 against it to be let in and out. 



(Sdbg. SYMMORPHUS.) 



0. Crassicornis, Pans. — Black, shining, head and 

 thorax clothed with short brownish-grey pubescence, finely 

 and irregularly punctured with a few larger shallower -punc- 

 tures interspersed, antennae simple, somewhat clavate in 

 both sexes; mandibles and clypeus in the S, a large basal 

 spot on the strongly bidentate clypeus of the ? , the scape 

 of the antennce in front in both sexes, though sometimes 

 only partially in the ? , and a small spot between them, 

 ferruginous yellow ; pronotum with a spot on each side, 

 tegulce, two spots on the largely-punctured scutellum, and 

 a spot on the mesopleur^e, under the wings, ferruginous 

 yellow, mesopleuras shining, almost impunctate, wings 

 smoky, propodeum very rugose ; abdomen clothed with 

 very fine silken pubescence, basal segment, without long 

 erect hairs, very largely punctured, much narrower than 

 the second, its apical margin somewhat raised and rounded, 

 and bearing a ferruginous yellow band, which is slightly 

 widened in the centre, just above it is a small, rather in- 

 definite central fovea, second and following segments finely 

 punctured at the base, more largely at the apex, each with 

 a wide sinuate band, second much constricted at the base, 

 its sides much rounded, in its widest part not quite twice 

 as wide as the basal segment ; femora black, their apices 

 and the tibipe and tarsi ferruginous, intermediate tibiae with 

 a black stain on their inner margiu. 



L. 12-14 mm. 



Very rare; near Dareuth Wood, entering a hard sand- 



