62 MANDIBULATA. — IIYMEMOPTERA. 



base of the femora, the tibiae towards the apex and in front also white ; 



posterior black, with the tibiae in the middle and trochanters white; wings 



hyaline, with black nervures. 

 The male is destitute of the white dots on the crown, and has the legs more 



varied with white ; the margins of the abdominal segments beneath are also 



white. 



Less abundant than the 2 foregoing insects, but not uncommon 

 at Darenth wood, towards the middle or end of June. 



Sp. 13. Ribis. Niger, pedibus albo variis. (Long. corp^. 44 lin. ; Exp. Alar. 

 8—84 lin.) 



Te. Ribis. Schrank.—KW. Ribis. Steph. Catal. 334. No. 3877. 



Black: apex of the labrum white; mandibles spotted with the same; 4 

 anterior legs black, with the base and apex of the femora white, and the 

 tibise and tarsi white in front; 4 posterior black, with the coxae, a large 

 patch at their base, trochanters, and base of the femora, knees, and apex of 

 the tibiae also white ; wings hyaline, with the nervures black. 



The male has the labrum dusky. 



Also found, but not very commonly, at Darenth wood in June. 



Sp. 14. Punctum. Niger, collare scutelloque Jlavis, abdomine albo punctaio, 

 pedibus albo va?'iis, posticorum femoribus sanguineis, (Long. corp. 4|lin. ; 

 Exp. Alar. 7^—8 lin.) 



Te. punctum-album. Linne. — All. Punctum. Steph. Catal. 334. No. 3878. 



Black: collar and scutellum yellowish ; abdomen with a white spot on the 

 sides of the 3rd to the 7th segments, and one on the back of the terminal 

 one ; anterior legs white, with the femora black ; intermediate white, striped 

 with black ; posterior black, with blood-red femora, the base and apex of 

 which are sometimes dusky ; tibiae at the tip, and coxae at the base, spotted 

 with white ; wings hyaline, with fuscous nervures. 

 Rather scarce : found at Darenth wood in June, and near Dover, 



and at Coombe. 



fSp. 15. haematopus. Niger, abdomine punctis albis, pedibus sanguineo variis. 

 (Long. corp. 5 lin.; Exp. Alar. 10 lin.) 



Te. haematopus. Panzer. — All. haematopus? Steph. Catal. 334. No. 3879. 



Black : margin of the clypeus, labrum, and mouth luteous ; scutellum gene- 

 rally white ; abdomen with a white spot on each side of the 5th and 6th 

 segments; 4 anterior legs rusty-luteous, posterior ferruginous, with the 

 knees black ; all the tarsi black. 



Male with the 4 anterior legs lemon-colour, the posterior femora with a black 

 streak. 



I do not know that this is British, the following species having been hitherto 

 confounded with it in Ensrlish cabinets. 



