70 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



GENUS PERILAMPUS Latreille. 



TABLE OF SPECIES. 



1. Face with a carina from anterior ocellus running laterad and turning 



downward on each side and extending to, or almost to, the level of 



insertion of antennae 2 



Face without such carina or at most an indistinct one running only 

 laterad from anterior ocellus 7 



2. Species distinctly greenish, bluish or coppery 3 



Species black or aeneous 4 



3. Green or bluish, facial carina prominent, upper part of face between 



carina and eyes vertically striate; below from eyes to mouth-parts 



strongly rugose hyalinus Say 



Bronzy, facial carina delicate, upper part of face almost smooth, lower 

 part w r ith only a few wrinkles subcarinatus n. sp. 



4. Face strongly produced, a line connecting lower margins of eyes being 



some distance above upper margin of clypeus robertsoni n. sp. 



Face not strongly produced, upper margin of clypeus about on a level 

 with lower end of eyes 5 



5. Face in front of malar furrow rugose-granular 6 



Face in front of malar furrow smooth carinifrons n. sp. 



6. Parapsidal areas reticulate, upper part of face between carina and 



eyes reticulate platygaster Say 



Parapsidal areas and upper part of face between carina and eyes smooth 



baker i n. sp. 



7. Third joint of antennae as long as wide anomocerus n. sp. 



Third joint of antennae much shorter than wide 8 



8. Wings under marginal veins with a large infuscated cloud 



stygicus Provancher 

 Wings without such a cloud 9 



9. Malar furrow distinctly longer than width of malar space at apex 



similis n. sp. 

 Malar furrow shorter than width of malar space at apex 10 



10. Sides of face above vertically wrinkled; in male the wrinkles extending 



downward to level of insertion of antennae chrysopoe n. sp. 



Sides of face smooth 11 



11. Punctures along middle line of mesoscutum and scutellum well sepa- 



rated granulosus n.sp. 



Punctures of middle of mesoscutum and scutellum close 12 



12. Small less than 3 mm. face above gently curved . . . .fulvicornis Ashmead 

 Large, about 4 mm., face above produced, angulated from anterior 



ocellus laterad and no true carina beyond, simulating one being 

 sharply angulated canadensis n. sp. 



Perilampus subcarinatus n. sp. 



Female: Length 3 mm. Dark olive green; facial carina delicate, reach- 

 ing almost to lower level of eyes, face in front of malar furrow with rugulae 



