l894-] ENTOMOLOGICAL NEWS. 87 



MALES. 



1. Median area of metanotum triangular 5. 



Median area of metanotum semielliptical, or y-shaped 2. 



2. Within the median area the metanotum is coarsely reticulated . . 3. 

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



3. Legs and clypeus black Oppositns. 



Legs, except hind tibiae, fulvous; clypeus yellow melleus. 



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

 peus and flagellum beneath, yellow radiatas. 



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 coxae yellow. 



triangnliferns. 



Median area of metanotum with a transverse ridge before ape^, which 



gives the area the appearance of being semielliptical .... 6. 



6. Mesopleurae punctured throughout guignardii. 



Mesopleurae on lower portion coarsely striated Striatas. 



1. Alyson oppositus Say. 



A. oppositus Say, Bost. Jour. Nat. Hist, i, p. 380, c?9; Packard, 

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

 Occurs from Canada to Virginia; Colorado. 



2. Alyson mellens Say. 



A. melleus Say, 1. c. p. 380. 9", Provancher, Add. Hym. Quebec, 

 p. 270, 9d^, 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 S apparently for the first time, did not appear until 

 early in 1888. 



3. Alyson radiatus n. sp. 



9. — Black; scape beneath, clypeus, spot between insertion of antennae, 

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

 and extrexne base, and the anterior legs in front, yellow; the anterior coxat 

 and trochanters are black on basal portion; four hind tibiae, tarsi and tips 

 of femora reddish testaceous maculae; on second segment white; wings 

 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- 

 tincdy bidentate medially; first joint of flagellum not more than one-fifth 

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



