98 [August 



§§. — Body coarsely punctured. 



12. Philanthus ventilabris, Fabr. 



Philanthus ventilabris, Fabr., Ent. Syst. Suppl. p. 268. Coqueb. 111. Icon, 

 p. 96, pi. 22, fig. 2. 



Philanthus verti/abris, Fabr., Syst. Piez. p. 303. Say, Amer. Entom. plate 49. 

 Anthophilus vertilabris, Dahlb., Hym. Europ. i, p. 497. 

 Black; face, large spot on front in % , base of antennae, collar, tubercles, teg- 

 ulse, jjostscutelluin, legs except base, and fascise on abdomen, interrupted on 

 first, and broadest on second segment, yellow; legs fulvous at base; wings sub- 

 hyaline. 



Fcmah. — Black, opaque, very densely and grossly punctured, slightly 

 pubescent ; head much wider than the thorax, the front slightly pro- 

 minent; sides of the face not extending above the insertion of the 

 antennte, clypeus, mandibles except tips, two elongate spots between 

 the insertion of the antennae, confluent beneath, and with a small, more 

 or less distinct spot between them, and a line behind the summit of 

 the eyes, yellow or very pale yellowish-white; antennas rather short, 

 thickened, black above, the scape and two basal joints of flagellum be- 

 neath, whitish, rest of the flagellum beneath fulvous. Thorax with a 

 well-impressed central longitudinal line above ; collar, tubercles and a 

 large spot behind, tegul;B. and a line on postscutellum, whitish, yellow- 

 ish-white or yellow; metathorax more densely and finely sculptured, 

 abruptly truncate behind. Wings uniformly stained with pale yellow- 

 ish-fuscous ; nervures dusky honey-yellow. Legs honey-yellow ; tips 

 of the four anterior femora more or less, and the tibiae exteriorly, 

 white; tarsi dusky. Abdomen ovate, not narrowed at base, with rather 

 close, deep and coarse punctures, much coarser than those of the tho- 

 rax ; first segment with a lateral transverse yellowish mark about the 

 middle, pointed within; second segment with a broad basal yellowish 

 band, slightly interrupted in the middle; the third, fourth and fifth 

 segments each with a yellowish-white apical fascia, with the anterior 

 margin more or less uneven, dilated on the sides ; apical segment 

 smooth, depressed, rounded at tip. with a whitish spot on each side at 

 base ; beneath black, immaculate, finely punctured and shining. Length 

 () lines; expanse of wings lO lines. 



Mdlf. — Resembles the female, but the head is not so transverse, 

 the markings are bright-yellow ; the front, above the antennae, has a 

 large transverse spot; the antennae are longer, curled at extreme tips, 

 the three basal joints are entirely yellow, the fourth, fifth and sixth 

 Joints are yellow beneath and fuscous above, the five following joints 

 have a pale spot beneath, the apical joint is dilated, curved, compressed 

 and truncate at tip; the tarsi are i)aler ; the wings more dusky at tips 

 and faintly subviolaceous; the abdomen is sometimes tinged with ful- 



