AMERICAN HYMENOPTERA. 37 



Pachylota varicolor Norton. Trans. Am. Ent. Soc. iv, 79.—" 9 .— Longth 

 0.48; br. wings 0.94 inch.— Color shining black, with tlie abdomen, except at 

 base, yellow-red; a blackish band, broken in middle, across first and second 

 segments; the anterior angle, basal plates and base of venter, white; wings 

 violaceous-brown, their basal third clear. Head not as wide as thorax, closely 

 ciliate with greenish cinereous hairs; antennae short, not as long as to scutel, 

 clavate, densely ciliate with cinereous hair, seen from the side a slight process 

 near the base of third joint beneath; all the palpi four-jointed, the second and 

 third maxillary globose; ocelli nearly in a straight line, or an obtusely flattened 

 iriaugle. Head and body polished, pleura smooth, with a patch of grey hair 

 in middle. Abdomen rather long, rounded. Legs stout; tibiae simple, with 

 end spurs; tarsi with processes beneath, first joint nearly as long as all the 

 rest, joints 2 — 4 short and stout; claws strongly cleft. Upper wings long, mar- 

 ginal appendix large, first submarginal cell prolonged on the costa; second 

 receiving the first recurrent nervure on the first cross-nervure, and the second 

 near its middle; third cell twice as long on the marginal vein, its outer cross- 

 nervure bent in the middle nearly to a right angle with a short incomplete 

 nervure arising from its outer angle; lanceolate cell petiolate, its petiole long; 

 under wing not appendiculate, with two inner cells, the upper cell bent out- 

 ward, with an incomplete nerve as in the upper wing; a small lanceolate cell 

 at base of wing." 



Hub. — Mexico. (Coll. Am. Eat. Soc.) 



Cladiu$« seqiialis Norton, Trans. Am. Ent. Soc. iv, 78.— '"^ .—Length 

 0.22; br. wings 0.45 inch. — Antennae long and slender (about 0.18 inch), quite 

 pilose, third joint a little shorter than fourth, a little swelled at base beneath, 

 apex of joints 3 — 6 swelled; final joint of maxillary palpi ovate, much larger 

 and rather longer than the preceding; face on each side of ocelli channeled; 

 a ridge, channeled through the centre, passing down between antennse; claws 

 with a strong inner tooth near middle. The whole body shining black, palpi 

 and legs below knees whitish, anterior legs tinged with rufous, hinder tibiae 

 blackish at tip; wings hyaline, a smoky cloud passes across upper wings from 

 base of stigma to tip of inner apical cell and from thence along lanceolate cell 

 to base of wing; outer cross-nervure of lower inner under wing cell coincides 

 with that above it." 



Hab. — Farmington, Coun. 



Euura salicicola E. A. Smith, American Entomologist, i, 41. — "9- — 

 Blackish: labrum and mandibles darker at tips, the former rounded; clypeus 

 emarginate; atitennae fulvous, the two basal and upper portion of next three 

 joints darker and inclining to fulvous ; thorax, with tegulae and edges of collar, 

 fuliginous; abdomen with the ovipositor fulvous, sheaths dusky; cerci as long 

 as the last tarsal joint, omitting the claws; coxae, trochanters and basal half of 

 femora testaceous, the remaining portions much paler; wings hyaline, nervures 

 fulvous, stigma basally fulvous, terminally inclining more to umber, costa 

 same, third submarginal cell nearly square, the nervures separating the three 

 whitish. Average length 7 mm. 



'' % . — Smaller; head with eyes larger; abdomen nearly black; posterior legs 

 with the femora testaceous throughout, tarsi darker than in 9> wings with 

 veins more deeply marked, as also the stigma. Average length 6 mm." 



Hab. — Peoria, llliuois, on Salix alba. Described from twenty 



