I894-] ENTOMOLOGICAL NEWS. 87 



MALES. 



1. Median area of metanotum triangular 



Median area of metanotum semielliptical, or y-shaped . 



2. Within the median area the metanotum is coarsely reticulated 

 Within the median area the metanotum is not at all reticulated 4. 



3. Legs and clypeus black . oppositus. 



Legs, except hind tibia, fulvous; clypeus yellow . . mellens. 



4. Area of metanotum enclosing numerous distinct, radiating ridges: cly- 



peus and flagellum beneath, yellow radiatus. 



Area of metanotum finely rugose, with two diverging, central, longi- 

 tudinal ridges; clypeus yellow, black medially; flagellum testace- 

 ous beneath conicus. 



5. Median area of metanotum exactly triangular, without a transverse 



ridge before the apex; legs fulvous, the four anterior coxa? yellow. 



trianguliferus. 



Median area of metanotum with a transverse ridge before apex, which 

 gives the area the appearance of being semielliptical . . . 



6. Mesopleurae punctured throughout guignardii. 



Mesopleura; on lower portion coarsely striated striatus. 



1. Alyson oppositus Say. 



A. oppositus Say, Bost. Jour. Nat. Hist, i, p: 380, ^ 9 ; Packard, 



Proc. Ent. Soc. Phila. vi, p. 421. 

 Occurs from Canada to Virginia; Colorado. 



2. Alyson melleus Say. 



A. melleus Say, 1. c. p. 380. $ ; Provancher, Add. Hym. Quebec, 



p. 270, $cT, December, 1887. 



Canada to Mexico; Illinois. The credit for describing the 

 of this species should be given to Provancher, whose description 

 appeared in December, 1887, while that of Handlirsch, who also 

 describes a apparently for the first time, did not appear until 

 early in 1888. 



3. Alysoa radiatus n. sp. 



9. Black; scape beneath, clypeus, spot between insertion of antenna-, 

 inner orbits reaching beyond middle of the eye, mandibles except tips 

 and extreme base, and the anterior legs in front, yellow; the anterior coxa? 

 and trochantrrs arc black on basal portion; four hind tibia-, tarsi and tips 

 of femora reddish testaceous macuke; on second segment white-; \\ings 

 subfuscous or dark subhyaline, the usual cloud in the vicinity of the mar- 

 ginal and submarginal cells very faint; stigma pale testaceous, the ner- 

 vures much darker. Front finely and closely, yet distinctly punctured, 

 the vertex perhaps more distinctly so; anterior margin of clypeus indis- 

 tinctly bidentate medially; first joint of llig.-llum not more than one-tilth 

 longer than the second; dorsulum and scutellum finely and rather closely 



