1542 



ORIGINAL DETERMINATION 



CURRENT STATUS 



N 3639 



Dermacentor venustus 



Raised in lab at Hamilton, 

 Montana, U.S.A. 



1927 



R. A. Cooley gift 2. V. 1928 



R.A.C. det. 



N 3639 



RML 112649 



2 cf, 2 ?, 10 N, 36 L, eggs Dermacentor 



andersdni 



Raised in lab at Hamilton (46.15 N, 

 114.09 W), Montana, U.S.A. 



1927 



R. A, Cooley gift 2. V. 1928 



Robert Allen Cooley (1873-1968) one of 

 America's foremost entomologists; 

 Professor and Head of Department of 

 Zoology and Entomology, Montana State 

 College 1899-1931 when he resigned to 

 become senior entomologist (1931-1946) 

 at the Rocky Mountain Laboratory, 

 Hamilton, Montana. Author of classic 

 taxonomic works on New World family 

 Argasidae and the genera Dermacentor 

 and Ixodes. 



3640 



Dermacentor venustus 

 Infected with Ixodiphagus 

 caucurtei 



Reared in lab at Bozeman, 

 Montana from stock received 

 from Dr. E. Brumpt, Paris 



1928 



R. A. Cooley gift 2. V. 1928 



R.A.C. det. 



3640A, Nymph of tick showing 

 pupae in position. 



3640B. Dry nymph with imago 

 of parasites that have 

 escaped. 



N 3640 



RML 112650 



1 N Dermacentor andersoni 



Infected with Hunterellus hookeri 



Reared in lab at Bozeman (45.41 N, 

 111.02 W), Montana U.S.A. 



1928 



R. A. Cooley gift 2. V. 1928 



