NORTH AMERICAN" TETRASTICHUS — BURKS 525 



TETRASTICHUS CHRYSOPAE (Crawford), new combination 



Figure 21, g 



Getiiocerus chrysopae Crawford, Proc. U. S. Nat. Mus., vol. 48, p. 584, 1915. 

 Tetra-stichodes chrysopae (Crawford) Girault, Societas entornologica, vol. 31, 



p. 35, 1916. 

 Aprostoccroloidcs annapolis Girault, Chaleidoidea nova Marilandensis, pt. 2, p. 2, 



1917. (New synonymy.) 



Black or very dark brown, sometimes faintly iridescent ; apices of 

 femora, tibiae usually, and basal three segments of tarsi, white or light 

 yellow ; tibiae often more or less brown. 



Female. — Length, 1.0-1.2 mm. Antennae inserted at level of 

 ventral margins of compound eyes; apex of scape not reaching level 

 of anterior ocellus; all funicle segments equal in length; antennal 

 club equal in length to funicle ; length of malar space one-half height 

 of compound eye ; length of postocellar line twice as great as ocelloc- 

 ular. Mesopraescutum slightly wider than long, bearing one row 

 of bristles at each lateral margin; submarginal vein of forewing 

 with two dorsal bristles; hindwing blunt at apex, fringe at posterior 

 margin one-third as wide as wing at hamuli. Surface of propodeum 

 almost smooth, under strong light showing faint reticulations, mesal 

 length of propodeum one-third as great as that of mesoscutellum ; 

 median carina of propodeum usually entirely wanting, occasionally 

 faintly indicated, paraspiracular carinae wanting; spiracles almost 

 contiguous with anterior margin of propodeum; diameter of spiracles 

 two-thirds as great as mesal length of propodeum; gaster slightly 

 shorter than thorax; ovipositor sheaths flattened and padlike (fig. 



21. ff). 



Male. — Length, 1.0 mm. Darkened anterior carina of scape almost 

 as long as scape, first funicle segment three-fifths as long as second, 

 three distal segments equal in length, setae borne by funicle segments 

 slightly shorter than segments themselves; club slightly longer than 

 three apical funicle segments; gaster one-fifth shorter than thorax; 

 apex of ninth tergite acute, as in female. 



Type locality. — Batesburg, S. C. 



Type.— U.S.N. M. No. 18380. 



Hosts. — Pupae of lacewing flies, Chrysopa rufilabris Burmeister, 

 C. plorabunda Fitch, C. oculata Say. 



Distribution. — California, District of Columbia, Florida, Illinois, 

 Maryland, North Carolina, Ohio, South Carolina, Tennessee, Texas; 

 Mexico. 



TETRASTICHUS THRIPOPHONUS Waterston 



Tetrastichus sp. Mason, Ent. News, vol. 33, p. 199, 1922. 



Tetrastichus thripophonus Waterston, Bull. Ent. Res., vol. 13, p. 453, 1923. — 



Tayix>r, Fiji Legis. Council Paper, No. 14, 5 pp., 1928.— Simmonds, Journ. 



Agr. Fiji, vol. 3, p. 58, 1930. 



