ART. 17. NORTH AMERICAlSr PHOROCERA AI.DRK'H AND WEBBKTl. 69 



Length 7 to 10 mm, 



Redescribed from tlie type and allotype, a specimen of each sex- 

 collected April 30, 1895, at San Diego, Texas (E. A. Schwarz). In 

 the United States National Museum collection there are two males, 

 Tempe, Arizona, April 5, 1914 (D. J. Caffrey) ; one male, Pecos, New 

 Mexico (Cockerell). 



Type.— C9it No. 3606, U.S.N.M. 



PHOROCERA MERACANTHAE Greene. 



Phorocera meracanthae Greene, Proc. Ent. Soc. Wash., vol 23, 1921, p. 126; 

 Proc. U. S. Nat. Mus., vol. 60, art 10, 1922, p. 11, fig. 23, (puparium). 



Sides of the face below the frontals bristly for some distance; 

 apical cell open: bucca one- fourth the eye height. 



Front of male 0.206 and in the female 0.32 (average of three 0.30, 

 0.33, 0.34.) of the head width; gray pruinose, the sides of face below 

 the lowest frontals bristly one-third of the way to the vibrissae: no 

 long bristles outside the frontal row^: face gray pruinose the ridges 

 bristly nearly to the base of antennae; bucca about one-fourth the 

 eye height; palpi yellow; antennae black, as long as the face, the 

 third joint six times the second in the male and five times in the 

 female; arista very long and tapering, the penultimate joint short. 

 Thorax black, gray pollinose marked with four black vittae; 

 four dorsocentral macrochaetae ; scutellum black, grayish polli- 

 nose, yellowish at the apex in some specimens and bearing 

 four pairs of marginal bristles. Sternopleura with three bristles. 

 Abdomen black, subshining, narrow basal portions of segments two 

 to four gray pollinose ; in certain lights this pollinose area broadens 

 out considerably on the sides and venter; the dorsum and sides of 

 the fourth segment shining black on the apical half. All of the seg- 

 ments excepting the first bear discal macrochaetae ; abdominal hairs 

 depressed. Legs black, mid tibiae with one or two bristles on the 

 outer front side near the middle, in most specimens there are two, 

 one long and one short; hind tibiae subciliate at most with coarse 

 bristles of uneven length. Wings hyaline, apical cell open, the third 

 vein bearing one or two bristles at its base. 



Puparium with protruding stigmata. 



Length 8 to 10 mm. 



Described from six specimens; one male, Myersville. Maryland. 

 June 4, 1914, bred from Meracantha contmcfa Beauvais. Five 

 females from the United States National Museum collection,' labeled 

 as follows: Beltsville, Maryland, July 9. 1916: Mount Vernon, Vir- 

 ginia, July 4, 1917 (W. L. McAtce) ; Hell Canyon, Manzano National 

 Forest, New Mexico. 7,200 feet, September 18, 1916 (C. TT. T. 

 Townsend ) . 



Typc.~M'A\^\ Cat. No. 24147, U.S.N.M. 



