530 PROCEEDINGS OF THE NATIONAL MUSEUM vol,. 93 



from the pupa of Coccinella 5-notata Kirby, August 1, 1915 (Quaint- 

 ance No. 114G7), by E. J. Newcomer; 1 male and 11 female paratypes, 

 Guelph, Ontario, reared from a coccinellid predaceous on a turnip 

 aphid, August 20, 1934, W. E. Heming; and 11 female and 3 male 

 paratypes. Cambridge, Mass., reared from Coccinella sp. 



TETRASTICHUS BREVISTIGMA Gahan 



Figure 19, & 



Tetra Hchus brevistigma Gahan, Proc. Ent. Soc. Washington, vol. 33, p. 76, 

 1936.— Bebry, U. S. Dept. Agr. Circ. 485. 1938. 



Body shining black; head, antennae, middle parts of middle and 

 hind femora, and apical segments of tarsi brown ; coxae black at base, 

 yellow or white at apex; rest of legs yellow; abdomen slightly lighter 

 at base. 



Female. — Length, 1.0-1.5 mm. Antennae inserted at level of ven- 

 tral margins of compound eyes; apex of scape reaching level of vertex; 

 first funicle segment slightly longer than second, second and third 

 equal in length; club slightly shorter than three funicle segments; 

 length of malar space three-fourths as great as height of compound 

 eye ; postocellar line twice as long as ocellocular. One row of bristles 

 present at each lateral margin of mesopraescutum ; submarginal vein 

 of f orewing with one dorsal bristle ; stigmal vein at most one-sixth as 

 long as marginal ; hindwing acute at apex, fringe at posterior margin 

 one-third as wide as wing at hamuli. Propodeum very faintly sha- 

 greened ; mesal length of propodeum slightly less than one-third length 

 of mesoscutellum ; median carina of propodeum vague, no paraspiracu- 

 lar carinae present; spiracles touching anterior margin of propodeum; 

 gaster and thorax equal in length; apices of ovipositor sheaths not 

 quite reaching apex of abdomen. 



Male. — Length, 0.8 mm. All four funicle segments equal in length 

 and bearing setae only slightly longer than segments; club equal in 

 length to three funicle segments. 



Type locality. — Middleboro, Mass. 



Types.— U.S.N.M. No. 51446. 



Host. — Pupa of the elm leaf beetle, Galerucella xanthomelaena 

 (Schrank). 



Distribution. — Connecticut, District, of Columbia, Massachusetts, 

 New Hampshire, New York, Ohio. It has also been introduced into 

 California. 



TETRASTICHUS PANDORA, new species 



Brown, or black, with very faint iridescent blue or lavender luster; 

 area of head around mouthparts, antennae, and all of legs except bases 

 of coxae light yellow or white ; apical segment of tarsi and sometimes 



