HYMENOPTERA FROM CAPE DE VERDE ISLANDS. 83 



Notonecta glauca is generally distributed ; var. viaculata is 

 more local. 



N.B. — Notonecta lutca, Miiller,has been recorded from Britain ; 

 and pale specimens of N. glauca are, or were, exhibited in the 

 General Insect Gallery of the British Museum as N. lutea. N. 

 luteals not likely to occur in Britain, and is a very different species. 



(To be continued.) 



ON TWO SPECIES OF HYMENOPTERA FROM THE 

 CAPE DE VERDE ISLANDS. 



By p. Cameron. 



Odynerus atlanticus, Cam. 



In the ' Entomologist ' for January last (p. 13), I described a 

 wasp under the above name, which it has borne in my collection 

 for many years. Unfortunately I overlooked Mr. W. F. Kirby's 

 paper on the " Hymenoptera of the Challenger Expedition " in 

 the Ann. and Mag. Nat. Hist., May, 1884, where the same 

 species is described, fortunately under the same name, if some- 

 what briefly. 



Priocnemis atlanticus, Kirby. 



2 . Length, 21 mm. Antennae reddish yellow, the scape of a 

 redder hue, and thickly covered with pale golden pubescence ; the third 

 joint is about one-fourth longer than the next. Eyes converging 

 slightly below ; the ocelli in a curve ; the hinder separated from the 

 eyes by almost twice the distance they are from each other. Clypeus 

 boldly convex ; its apex narrowly depressed, black, transverse, the sides 

 rounded. Temples short, roundly narrowed. Angles of pronotum 

 broadly rounded, prominent. Post-scutellum more prominent than 

 the scutellum, clearly raised above it, roundly narrowed to a point 

 above, there being a fine keel in the centre. Striation on metanotum 

 strong, becoming coarser towards the apex. Pleura obscurely obliquely 

 striated. Abdomen with a greenish iridescence ; the pygidium is 

 densely covered with bright red pubescence, sparsely intermixed with 

 longish soft black hair. Radial cellule short ; the third abscissa of the 

 radius is one-fourth shorter than the second ; the third transverse 

 cubital nervure from shortly below the middle is straight and obliquely 

 curved towards the second ; the second recurrent nervure is received 

 the length of the third abscissa of the radius from the base of the 

 cellule. The head and mandibles are brownish, darker on the centre 

 of the vertex and front. 



Mr. Kirby describes this species, I. c. p. 408. The description 

 therein given may be usefully supplemented from an example 

 taken by Commander J. J. Walker at St. Vincent. 



The sides of the pronotum project more prominently than in 

 most African species — than in e.g. Saliiis tamiseri, Guer. ; the 

 antennae, too, appear to be longer and more slender than usual. 



