282 THE CANADIAN ENTOMOLOGIST. 



Habitat. — Ca;) Rouge, Canada. 



6. P. CONSORS, Cresson, $. 



i^']']. Platylabus consors, Cresson, ^. Tr. Am. Ent. Soc, VI., 

 p. 200. Cresson says this may be the male of Californicus. See 

 figure 3. 



Habitat. — California. 



Types. — In the collection of the American Entomological Society. 



7. P. PACiFicus,' Harrington, ?. 



1894. Platylabus pacificus., Harrington, $ . Can. Ent., XXVI., p. 210. 

 Habitat. — Vancouver's Island (Taylor). 



8. P. RUFicORNis, Provancher, ? , (^ . 



1886. Piatylab/is n/ficornis, Provancher, %, $. Add. Faun. Hym. 

 Can., p. 38. 



Habitat. — Ottawa, Canada (Harrington). 



9. P. CANADENSIS, Cresson, ? . 



1S77. Platylabtis canadensis, Cresson, ?. Tr. Am. Ent. Soc, VI., 



p. 200. Figure 4; 

 Habitat. — Canada. 

 Type. — In the collection of the American Entomological Society, 



10. P. Foxi, Davis, ^ . 



1897. Platylabus Foxi, Davis, ^ . Tr. Am. Ent. Soc, XXIV., p. 353. 

 This species has much more white on it than any other. Most of 

 the males of the genus have more white than the females, and 

 when the female of this species is known it will doubtless be less 

 plentifully supplied with white. 



Habitat. — Camden, N. J. (Fox). 



11. P. MONTANUS, Cresson, 9- 



1877. Platylabus montanus, Cresson, $. Tr. Am. Ent. Soc, VI., 



p. 20c. Figure 5. 

 Habitat.—^. H. 

 Types. — In the collection of the American Entomological Society. 



12. P. LUZERNENSIS, n. Sp., $ . 



Black; abdomen and legs mostly rufous. Length, 6.5 mm. See 



figure 6. 

 $ . Anterior orbital lines not broad nor continued below the eyes, a 



short line behind the eyes near their top ; annulus on antennae. 



