244 MANDIBULATA. — HYMENOl'TERA. 



Of this rare and beautiful insect I once took a fine specimen in 

 Daren th wood in June. 



§ III. Scuiellum pale ; abdomen either entirely red, or red and black. 



Sp. 36. rufulus. Plate xxxvi. f. 3. — Rufu,.i, scutello flavo, capite thoraceque 

 nigris,Jlavo rufoque maculatis, pedlhus posticis nigra w.aculatis, abdominis basi 

 apiceque nigris. (Long. corp. 7 — 8 lin. ; Exp. Alar. 12 — 14 lin.) 



Tr. rufulus. Steph. Nomen. '2d edit. Gera. 715. 36. — Tr. rufus? Gravenhorst, 

 ii. 200. 



Head red or black: mouth, face, and orhits yellow or red; antennae as long 

 as the body, curved at the tip, red, with 1 or 2 of the basal joints black; 

 thorax black, with an irregular cloud or streak before the wings, a streak 

 beneath them, and below the scutellum, and the upper margin of the collar 

 red, metathorax with 2 more or less extensive tawny or red spots above ; 

 scutellum convex, yellow; abdomen elongate-fusiform, a little thickened 

 and compressed at the tip ; the basal segment black or red, or spotted with 

 black, the margin always tawny or yellow, 2nd to 4th red, the former occa- 

 sionally black at the base, the 5th to 7th black, sometimes reddish on the 

 sides ; legs rather long, red, coxse yellowish, posterior pair black at the base, 

 and with a dot of that colour near the tip above, their femora more or less 

 black towards the base, and tibiae black at the apex ; wings yellowish-hya- 

 line ; cellule minute, petiolated. 



Extremely variable : in some examples the thorax is very slightly varied with 

 tawny or yellow, and in others the apex of the abdomen is more or less red. 

 Very rare : taken in June in the New Forest, and at Sheffield ; 



also near Kimpton by the llev. G. T. Rudd, to whom I am indebted 



for one sex. 



Sp. 37. conspicuus. Niger, ore facie pedibusque anterioribus stramineo-fulvis, 

 orbitis oculorum externis, antennis subtus abdominisque medio rufis, scutello 

 Jlavo,pedibus posticis fulvis,femoribus apiceque tibiarum nigris. (Long. corp. 

 74 lin.; Exp. Alar. 13 lin.) 



Tr. conspicuus. Steph. Nomen. '2,d edit. Gen. 715. 37. 



Black : mouth and face pale yellow, the latter with a short vertical or black 

 streak; antennae black, red beneath; thorax with an irregular yellowish 

 patch before the wings, and a streak of the same behind the scutellum, which 

 is bright yellow ; abdomen rather slender, the basal segment black, with its 

 apex broadly tawny-red, the 2nd to 4th of this last colour, the 4th segment 

 having a transverse blackish streak ; remainder black ; legs slender ; 4 

 anterior pale straw-yellow, the middle coxae, trochanters, and femora, black 

 at the base; posterior coxae, trochanters, and femora black, with the 

 extreme tips of each tawny ; tibise tawny-red, with the apex broadly black ; 

 tarsi fulvous ; wings hyaline, with the rudiment of the divisional nervure 

 on the disc considerably elongated; cellule small, 3-angular, petiolated. 

 Found near London. 



