TELE GENUS CALOSOMA. 121 



DISTRIBUTION. 



Some of the museum and experiment-station collections of the 

 United States contaui numerous specimens of G. luxatum Say, C. 

 zim memia ni Lee. , and 0. striatulum Lee. Among the States and Terri- 

 tories where C. luxatum Say is reported as occurring are Arizona, 

 Cahfornia, Colorado, Indian Territory, Kansas, Montana, Nebraska, 

 Nevada, Oregon, Utah, Washmgton, and Wyommg. Those for C. 

 ziminermaniljeG. are California, Kansas, Montana, Nebraska, Nevada, 

 Oregon, Texas, Washington, Wyoming, and the Rocky Mountams 

 without a State label. It is also reported from Canada. 0. striatu- 

 lum Lee. has been reported from Arizona, California, Colorado, Idaho, 

 Kansas, Nebraska, Nevada, Utah, and Wyommg. 



April 25, 1910, IVIr. J. A. Hyslop of tliis bureau forwarded to the 

 gipsy moth parasite laboratory several hve beetles collected at Govan, 

 Washington. One male and two females were placed in a jar of earth 

 and fed larvae of Noctua dandestina and Malacosoma americana. The 

 females consumed 16 full-grown larvae of the former and 3 of the 

 latter species before May 24, when the last died. The male died in 

 two days and did not feed. 



BIBLIOGRAPHY. 



1823. Say, Thomas. Descriptions of Coleopterous insects collected in the Expedi- 

 tion to the Rocky Mountains. Journ. Acad. Nat. Sci. Phila., T. Ill, J823, 

 p. 149-150. 

 Original description of Calosoma luxatum. Habitat, Arkansas. 



1835. Chevrolat, A. Coleoptferes du Mexique, Fasc. 7, p. 165. 



Description of Calosoma striatulum from Perote, Mexico. This species has since been taken in 

 Arizona, hence its inclusion here. 



1848. LeConte, J. L. A descriptive Catalogue of the Geodephagous Coleoptera 

 inhabiting the United States east of the Rocky Mountains. Ann. Lye. Nat. 

 Hist. N. Y., T. 4, 1848, p. 445. 

 Description of Carabus zimmermani from the Rocky Mountains. 



1848. LeCon'te, J. L. A descriptive Catalogue of the Geodephagous Coleoptera 

 inhabiting the United States east of the Rocky Mountains. Ann. Lye. Nat. 

 Hist. N. Y., T. 4, 1848, p. 445. 

 Short descriptive notes on C. luxatum giving its habitat as the River Platte. 



1860. LeCoxte, J. L. The Coleoptera of Kansas and eastern New Mexico. Smith- 

 sonian Contributions to Knowledge, Vol. II, p. 4. . 



Original description of Calosoma siriafulum from Milk River and Utah. The author draws very 

 close comparisons with his new species to that of C. luxatum and zimw.erm.ani. 



1806. Lord, .7. K. Naturalist in Vane. Island and British Columbia. Vol. II, 1866, 

 p. 312. 



Description of a new species {Callvstlienes pimelioides) by Mr. Walker, but no locality given. 



1881-84. Bates, II. W. Biologia Centrali-A meric^ana (Col.) Vol. I, Pt. I, pp. 23, 262. 

 List of localities in Mexico where C. slrialulum Chev. has lieen taken. 



CALOSOMA LATIPENNE Horn. 



ORIGINAL DKSCRIPTION. 



Allied to luxatum Say, but differs from all the races of that species in having a pro- 

 porlionat<'ly smaller head. Ijroader thorax with more rounded sides and more l>roadly 

 reflexed margin, apex less decj)ly emarginate, basal angles more broadly rounded; 

 elytra more broadly oval, marginal groove deeper from the more strongly reflexed 

 margi n . 



Color l)lack and shining, head sciilplurcd as in the smooth forms of lu.xal.um.; thorax 

 mod('ra1<'lv' fonvfx. di.sf sinoolli willi llm Micdiiui iiiic! diHtiiul, \vi(h tlie sides coarsely 

 piirictur<!d arifl wrinkled. Elytra broadly oval, sinootli and shining, disc with approx- 

 imate striae of very line punctures, margin broad as compared with luxatum and equal 



