84 PROCEEDINGS OF THE NATIONAL MUSEUM vol. in 



port, Miss., Jan. 14, 1943, by R. B. Swain (USNM); four third- 

 stage larvae collected on dog fennel at Orville, Ala., May 12, 1943, 

 by A. V. Smith (USNM). 



Description: Maximum width of head capsule of third-stage larva 

 0.59-0.63 mm. Cranium light yellow, surface smooth. Three 

 dorsoepicranial setae and two microsensillae on each side. First and 

 third antennal segments subequal, second shorter than first and 

 third. 



Epipharynx with protophoba bistichous on left and monostichous 

 on right; protophoba with 11-13 microsensillae. Crepide small, 

 subcircular, with two microsensillae on it and two on either side of it. 

 Epitorma asymmetrical, flattened apically and bent toward laeophoba. 

 Tormae similar in size and shape, both tormae produced cephalad 

 and caudad. 



Dorsal annulets of abdominal segments 1-5 with setation as follows: 

 each prescutum with sLx short setae, each scutum with three long 

 setae and four short setae on each side, and each scutellum with eight 

 short setae. 



Raster with teges of 18-22 hamate setae scattered irregularly on the 

 venter of 10th abdominal segment, setae curved at their distal ends. 



References 



Blackwelder, R. E. 



1939. Fourth supplement 1933-1938 (inclusive) to the Leng catalogue of 

 Coleoptera of America, north of Mexico, 146 pp. 

 Blackwelder, R. E., and Blackwelder, Ruth M. 



1948. Fifth supplement 1939-1947 (inclusive) to the Leng catalogue of 

 Coleoptera of America, north of Mexico, 87 pp. 

 BoviNG, A. G. 



1936. Description of the larva of Plectris aliena Chapin and explanation 

 of new terras applied to the epipharynx and raster. Proc. Eut. 

 Soc. Washington, vol. 38, pp. 169-185. 

 BoviNG, A. G., AND Craighead, F. C. 



1931. An illustrated synopsis of the principal larval forma of the order 

 Coleoptera. Ent. Americana, new ser., vol. 11, 351 pp. 

 Carne, p. B. 



1950. The morphology of the immature stages of Aphodius howitti Hope 

 (Coleoptera. Scarabaeidae, Aphodiinae). Proc. Linnean Soc. 

 Nev/ South Wales, vol. 75, pp. 158-166. 

 Cartwright, O. L. 



1944. New Scarabaeidae from United States. Ann. Ent. Soc. Amer., 



vol. 37, pp. 28-36. 

 1948. Ataenius strigatus (Say) and allied species in the United States 

 (Coleoptera: Scarabaeidae). Trans. Amer. Ent. Soc, vol. 74, pp. 

 147-153. 

 1952. Aphotaenius, a new genus of dung beetle (Coleoptera: Scarabaeidae). 



Proc. U.S. Nat. Mus. vol. 102, pp. 181-184. 

 1955. Scarab beetles of the genus Psammodius in the Western Hemisphere. 

 Proc. U.S. Nat. Mus., vol. 104, pp. 413-462. 



