580 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 56. 



Three sternopleiirals, postintraalars, postsuturals, preacrostiohals, 

 postacrostichals, and lateral scutellars ; hairlike apical scutellar pair. 

 Costal spine long. Third vein bristled only at base, others bare. 

 Apical cell narrowly open considerably before tip. Hind crossvein 

 about in middle. Male claws short; median marginal pair on first 

 two segments; median discal pair on intermediate segments ; marginal 

 row on last two; discal row on anal. 



PHRYNOFRONTINA CONYEXA, new species. 



Length, 6 mm. Two males, Chain Bridge, Maryland, and Diffi- 

 cult Run, Virginia, September 12 and 14, 1913 (R. C. Shannon). 



Head silvery pollinose, shading to light golden on front. Front- 

 alia pale brownish. Palpi pale fulvous. Antennae black. Thorax 

 and scutellmn pale brassy pollinose; four vittae. Abdomen shining 

 dark brown; basal half or so of last three segments silvery pollinose 

 with pale golden shade in some lights. Legs blackish. Wings 

 clear. Tegulae ta^vny-whitish. 



Type.—Csit. No. 22261, U.S.N.M. 



EUTRITOCHAETA, new genus. 



Genotype. — Eutritochaeta carpocapsae, new species. 



Differs from Tritochaeta as follows : Palpi much swollen or widened 

 at tip. Third antennal joint four to five times second; longer in 

 male. Arista thickened less than halfway. Two verticals in both 

 sexes. Female frontalia as wide as one parafrontal; those of male 

 a little less. Moderately long decussate apical scutellar pair. No 

 costal spine. Male claws as long as last tarsal joint. Median 

 marginal pair on first two segments; marginal row on last two; 

 discal row and bristles on anal. 



EUTRITOCHAETA CARPOCAPSAE, new species. 



Length, 6.5 to 7 mm. One male and one female reared by F. L. 

 Wellman, at Bentonville, Arkansas, from two puparia taken from 

 a single codling moth cocoon collected under a tree band; issued 

 July 13, 1918. 



Blackish, silvery to cinereous pollinose. Palpi fulvous. Antennae 

 blackish, base faintly tinged with fulvous. Frontalia brown. Rest 

 of head silvery-ashy, shading to pale golden on front. Thorax, 

 scutellum, and abdomen cinereous pollinose, with faint golden cast, 

 leaving four thoracic vittae; first abdominal segment, median 

 abdominal vitta, and irregular hind borders of last three segments 

 blackish and subshining; the black hind borders of intermediate 

 segments extending forward more or less in triangle on each side. 

 Wings clear. Tegulae whitish. 

 Type.— C&i. No. 22243, U.S.N.M. 



