ZENILLIA AND ALLIED GENERA — SELLERS 63 



The paratype material varies as follows from the descriptions: 

 Width of male front 0.22 to 0.23, female 0.24 to 0.25 ; frontal bristles 

 in male seven to eight, in female five to six; two male paratypes with 

 three sternopleurals on one side; one female paratype with two 

 median posterolateral bristles on fore tibiae. 



Type locality. — Lafayette, Ind. 



Allotype locality. — Somerville, N. J. 



Distribution. — New Jersey 1, Maryland 2, Virginia 1, Indiana 1. 



7^.— Male, U.S.N.M. No. 54150. 



Hosts. — Diacrisia virginica (Fabricins) 3, Estigmene acraea (Dru- 

 ry) 1, 2 unknown hosts bearing Riley note numbers. 



Remarks. — The material examined consisted of type, September 

 15, 1917 (Aldrich), allotype (No. 11715 L3C), male paratype (No. 

 11715 L4), female paratype (No. 11715 L3) reared from Diacrisia 

 virginica, Somerville, N. J. (Gypsy Moth Laboratory) ; one male 

 paratype 491 L-491 L° (Riley) ; one male paratype 2906°, Febru- 

 ary 21, 18S7; four male paratypes and two female paratypes, Lafay- 

 ette, Ind. (Aldrich) ; one male paratype, Dead Run, Fairfax County, 

 Va., June 22, 1915 (Shannon) ; one reared specimen bearing Gypsy 

 Moth Laboratory note number; and three males and two females 

 (Aldrich, Shannon, and Palmer). 



Three of the paratype specimens had been previously determined 

 by Tothill as griseomicans. These three specimens are not Van der 

 Wulp's concepts of griseomicans. See comments under Carcelia 

 amplexa, Remarks. 



Adults, May to September; number per host, one; generations, 

 two; hibernation, in puparium. 



12. CARCELIA AMPLEXA (Coquillett), new combination 



Exorista amplexa CoQuillett, U. S. Dept. Agr., Div. Ent., Tech. Bull. 7, pp. 



97-9S, 1897.— Thompson, Journ. Econ. Ent., vol. 3, p. 291, 1910; Psyclie, vol. 



17, No. 5, pp. 210-211, 1910.— Greene, Proc. U. S. Nat. Mus., vol. GO, art. 10, 



p. 25, fig. 61 (puparium), 1922.— Hill, TJ. S. Dept. Agr. Dept. Bull. 1336, p. 



17, 1925. 

 Exorista griseomicans of Coquillett (uec Van der Wulp), U. S. Dept. Agr., 



Div. Ent., Tech. Bull. 7, p. 98, 1897. 

 Sisyropa hemerocampae Townsend, Ann. Ent. Soc. Amer., vol. 2, p. 248, 1909; 



Proc. Ent. Soc. Washington, vol. 14, pp. 165-166, 1912; Ann. Ent. Soc. Amer., 



vol. 8, p. 89, 1915. 

 Zenillia amplexa (Coquillett) Aldeich and Webber, Proc. U. S. Nat. Mus., vol. 



63, art. 17, pp. 13-14, 1924— Johnson, List of New England Diptera, p. 



196, 1925.— West, Cornell Univ. Agr. Exp. Stat. Mem 101, p. 814, 1928.— 



Schaffner and Griswold, U. S. Dept. Agr. Misc. Publ. 188, r>. Ill, 1934. 

 Oxexorista amplexa (Coquillett) Townsend, Manual of myiolngy, pt. 4, p. 211, 



1936. 

 Oxcxorisfa hemerocampae (Townsend) Townsend, Manual of myiology, pt. 4, 



p. 211, 1936. 



