252 MANDIBULATA. IIYMENOFTERA. 



Sp. 58. quadrisculptus. Niger, segmentis 1-4. linen transversali impressis, 

 rufopictis, pedibus rufis, posticorum coxis tarsis et tibiarum, apice fuscis- 

 (Long. corp. 2^ lin. ; Exp. Alar. 4,^ — 5 lin.) 



Tr. quadrisculptus. Gravenhorst, ii. 250. — Steph. Nomen. 2d edit. Gen. 715. 58. 



Black : head small ; anteniiBe rarely more than half the length of the body ; 

 thorax with an obscure testaceous streak below the wings ; abdomen as 

 wide as the thorax, oblong, sessile, basal segment with a longitudinal 

 groove, and a transverse impressed line, black, the margin red, 2nd to 4th 

 each with a transverse impressed line, red, the 2nd at the base and margin, 

 the 3rd and 4th on the margin, dusky-black, remainder totally black ; legs 

 rather slender, testaceous-red, the middle coxse fuscescent beneath, hinder 

 coxae and tarsi fuscous ; tibiae reddish-white, with the apex, and a dot at 

 the base fuscous; wings smoky-hyaline; cellule wanting. 

 Found, not uncommonly, in the vicinity of London in June. 



Sp. 59. bisculptus. Niger, segmentis 2 et 3 lined transversali impressis, rufis, 

 punctis duobus nigris, pedibus rufis, geniculis posticis coxisgue nigris, trochan-' 

 teribusjlavis, ore et m,aculis faciei Jiavis. (Long. corp. 3^ — 3f lin.; Exp. Alar. 

 5—Q lin.) 



Tr. bisculptus. Gravenhorst, ii. 151. — Steph. Nomen. 2d edit. Gen. 715. 59. 



Black, with a griseous pile: head somewhat globose; mouth and 2 dentate 

 spots on the face yellow ; antennae porrect, shorter than the body, red, dull 

 above, the 2 basal joints black, yellow beneath; abdomen sessile, as broad 

 as the thorax, fusiform-cylindric, basal segment black, with 2 elevated lines, 

 2nd and 3rd red, each with a transverse impressed line, and 2 black dorsal 

 spots, remainder black, the 4th with the basal angles red ; legs moderate, 

 red, coxae black, trochanters yellow, the hinder with the knees black, the 

 tarsi fuscous, red at the base ; wings smoky-hyaline ; cellule small, irregular, 

 petiolated. 

 Also taken near London, and not very uncommonly, in June. 



Sp. 60. trisculptus. Niger, segmentis 1-3 lined transversali impressis, 2-4 et 

 apice 1-mi riifis, pedibus anterioribus tibiisque posticis rtijb-j'ulvis, coxis anteri- 

 oribus et trochanteribus, ore maculisque faciei Jiavis. (Long. corp. 3^ lin.; 

 Exp. Alar. 5 — 6 lin.) 



Tr. trisculptus. Steph. Nomen. 2d edit. Gen. 715. 60. 



Black: mouth and 2 irregularly-triangular spots on the face yellow; tips of 

 the mandibles black; antennae porrect, shorter than the body, fuscous, the 

 2 basal joints black, rusty beneath, the remainder red ; thorax with a yellow 

 dot at the base of the wings ; abdomen sessile, as wide as the thorax, the 3 

 basal segments each with an interrupted transverse impressed line, the basal 

 one rough, and with 2 impressed lines, black, with the apex broadly red, 

 2nd and 3rd entirely red, 4th red with the edge black, remainder black ; legs 

 moderate, 4 anterior tawny-red, with the coxae and trochanters yellow ; 

 posterior with the coxse black, trochanters yellow, femora black, tibiae red, a 



