PSOCUS. 11 



Hal. New York ; Maryland (Uhler) ; Washington (Osten 

 Sacken) ; Yera Cruz, Mexico (Salle). 



7. P. novae scotiae ! 



Psocus novae scotise Walk. Catal. 485, 12. Psocus crataegi Fitch. Col- 

 lection of de Selys Longchamps. 



Blackish-fuscous ; head pale yellow, two spots upon the occiput 

 and two at the eyes black ; front fuscous in the middle ; antenna? 

 black ; thorax black, margined with yellow ; feet testaceous, tibia? 

 at apex and tarsi pitchy ; wings hyaline, anterior ones with four 

 fuscous spots, one at the pterostigma, another at the apex, the 

 rest at the posterior margin, the basal one joined to an obscure 

 spot ; veins black. 



Length to tip of wings 6 millim. Expanse of anterior wings 

 12 millim. 



Hob. Nova Scotia (Redman) ; New York (Asa Fitch). 



8. P. moestus ! 



Psocus moestus Hag.! 



Brownish-black, spotted with yellow ; nasus yellow, lineated with 

 fuscous, and fuscous in front ; occiput yellow, varied with fuscous, 

 antennce rather slender, pale, the two basal articulations fuscous ; 

 apex yellow ; thorax and abdomen brownish-black ; femora fus- 

 cous, knees yellow, tibia? pale, their apex and the tarsi fuscous ; 

 wings milky-hyaline, densely spread with small fuscous points, 

 veins fuscous, basal ones yellow; pterostigma triangular, the in- 

 ternal angle yellow. 



Length to tip of wings 4^ millim. Expanse of anterior wings 

 8 millim. 



Hub. Dalton, Georgia (Osten Sacken). 



9. P. striatus ! 



Psocus striatus Walk.! Catal. 486, 16. 



Pallid ; nasus yellow lineated with black ; front yellow, a band 

 upon the middle and punctiform lines at the eyes black ; eyes of 

 the male globose, prominent, rather approximate ; antennas fus- 

 cous, two basal articulations pale ; antenna? of the male thicker, 

 the seta hairy ; thorax black marked with yellow ; abdomen yellow, 

 a black fascia upon the middle; feet pallid, femora fuscous above, 



