400 JOHN HAMILTON, M. D. 



511. B. quadrimaculatus Fab., Baudi Dent. Ent. Zeit. 1890, 338.— Texas, iu 



beaus and cow-peas (Dolichos sp.), Kiley ; Southern States and West 

 India Islands, Horn. Southern France, Ethiopia, Baud!. Mr. Baudi, iu 

 his monograph of the genus 1886-87, united this species with ornatus 

 Bobm, but in 1. c. reinstated it. Psyche vi, 478. 



TENEBRIONID^. 



Obs. — Pseudonosoderma amurense Heyden (Deut. Ent. Zeit. 1885), 

 should be compared with PhJceodes diabolicus and Nosei-iis plicatus. 



512. Blaps mucronata Latr. — ^A few specimens of this European species oc- 



curred near Baltimore, Md.. Horn. Algeria 



513. B. similis liatr. ; Can. Eut. xvi, 37: xxi, 101. — Occurred abundantly at 



Alexandria, Va., but it is doubtful whether it is fouud there at present. 

 Europe, Asia, Madeira, Canaries. This and mucronata were compared 

 with the European forms by Dr. Horn when in Europe. 



514. Upis ceramboides Linn., reticulata Say. — From Hudson Bay southward 



to Pennsylvania (Nova Scotia, Harrington, in lift.; Maine, Vermont. 

 New Hampshire, New York, Michigan, Wisconsin, Manitoba, Montana). 

 Germany, northern Europe, eastern Siberia, the Amur basin. Tr. Am. 

 Phil. Soc. xiv, 338; Col. Am. 139. 139. larzowa Selo. Jenisei, lat. 60° 10'. 

 Nord., 27; Heyden, 146. Northern China. 



515. Tenebrio obscurus Fab., tristis Hald. — This common European species 



has been introduced into this country by commerce, and is spread from 

 the Atlantic to the Rocky Mountains; also in eastern and western Si- 

 beria, 1. c. 345; Heyden, 146. This and the following are cosmopolite. 



516. T. molitor Linn. — This species, likewi.se introduced from Europe by com- 



merce, occurs over the United States and Canada from Nova .Scotia to 

 Alaska, and southward to Mexico, depredating on flour and stored grain. 

 Eastern and western Siberia. Heyden, 146. 



517. TriboliuEQ ferrugineum Fab. — This and the eight following species have 



been introduced by commerce, and are found where flour and grain are 

 stored. The occun-ence of this species in this country is noted in vari- 

 ous places from Florida to Alaska. Europe. Ijintner gives a good ac- 

 count of it in 2d Rept. State Entomologist, N. Y., p. 136-39. 



518. T. confusum Duval, ferrugineiim Muls. not Fab. — Pennsylvania (Alle- 



gheny), Kansas, District of Columbia, France, Germany, Italy, Siberia. 

 Cosmopolite. Difl'ers from ferrngineum Fab., by the last three joints of 

 the antennae less thickened, the absence of the thoracic impressions and 

 more convex and less elongate form. 



519. T. madens Charp. — Though widely distributed in this countrj', this spe- 



cies does not appear to be common. I have specimens from New Mexico 

 and Hamilton, Canada ; Ottawa, Harrington ; Marquette, Mich., Schwarz; 

 here in Pennsylvania. Southern Europe. 



520. Gnathocerus cornutus Fab. — Occurred in California, inside of an army 



biscuit, Horn, 1. c. 3.36; Alaska, Mann., 1852. Louisiana, Summers. 

 Southern California, Coquillett; cosmopolite. 

 ■521. Echocerus maxillosus Fab. — Common here, and in many places through- 

 out the United States and Canada (Florida, Cincinnati, Detroit, Milwau- 

 kee; Alaska). Madeira, southern France. 



