Specimen s Host Locality Date Collector 



1 slide Asio flarmeus Middletown, Conn. XI-15-1925 O.L.Austin, Jr. 



(USNM) 



A specimen of S. aursov (Burmeister, 1838). 



Strigiphilus ocutatus (Rudow, 1870) 



Nirmus ooulatus Rudow, 1870. Z. ges . NatWiss., 35: 465. 

 Docophorus bubonis Osborn, 1896. Bull. U. S. Bur. Ent. (n. s.), 



5: 219. 

 Type host: Bybo virginianus (Gmelin) — Great Horned Owl. 



Head wider than S. aautifrons Emerson, 1961, with wide, stout 

 dorsal anterior plate, pointed posteriorally . Temporal lobe with 2 

 setae. Abdominal chaetotaxy is less dense in S. ooulatus than in S. 

 aautifvons . Male genital plate triangular-shaped with the widest por- 

 tion anterior. The male genitalia are similar but smaller in S. 

 cursor. 



Specimens Host Locality Date Collector 



1 slide Bubo virginianus Wenham, Mass. X-9-1938 USNM 

 1 slide " " " " X-9-1938 BMS 



Strigiphilus otus Emerson, 1955b 



Strigiphilus otus Emerson, 1955b. Proc. Ent. Soc. Wash., 57: 



241, figs. 1-2. 

 Type host: Otus asio (Linnaeus) — Screech Owl. 



Dorsal anterior plate with anterior margin indented and sharply 

 pointed posteriorly. Hyaline margin wide. Prominent dorsal antennal 

 sutures mid-way between antennae and the hyaline margin, each exten- 

 ding inward 1/3 width of head. Temples convexly rounded, each with 2 

 long setae; posterior margin of head bare. Prothorax with 1 long seta 

 on each posterolateral angle. Pterothorax 1/3 as long as wide with 6 

 long median setae dorsally on the posterior margin, and 3 long setae 

 on the posterolateral angles. Male and female approximately the same 

 size. 



Emerson (1955b) records this species from Arizona, Texas, New 

 York, Maryland, Oregon, and British Columbia. 



Strigiphilus varius Carriker, 1958 



Strigiphilus varius Carriker, 1958. Proc. Ent. Soc. Wash., 60: 



169, figs. 3-4. 

 Type host: Strix varia Barton — Barred Owl. 



Head longer than wide with premarginal carinae submarginal pos- 

 terior to the clypeal suture; lateral margins of head, anterior to the 

 antennae are undulating. Prothorax wider than long with a long seta 

 in each posterolateral angle; pterothorax with 8 long setae centrally 

 on the dorsal posterior margin. Abdomen with narrow pleurites. 



158 



