928 Hymenoptera in America North of Mexico 



graminicola Timberlai^e. N. Mex., Utah. Host: Trionymus utaliensis (Ckll.), pseudococcoid on 

 Ely in UK coiuleiisafus. 



P lie lulaph yens gmniinicolu Timberlake, 1916. U. S. Natl. Mus., Proc. 50: 570-571. 6, 9. 

 limatulus Gahan. Md. Host: Plieiiacoccus sp. on Andvopogon sp. 



Pneudupliycus linuitulns Gahan, 1946. U. S. Natl. Mus., Proc. 96: 313, 324-325. 6, 9. 

 malinus Gahan. Ont., Conn. s. to Va., w. to Mo. Host: Pseudoccus comstocki (Kuw.). 



Pseiidaphiicus iiialluus Gahan, 1946. U. S. Natl. Mus.. Proc. 96: 313, 317-319. 6, 9. 



Taxonomy: Jasnosh, 1957. Ent. Oboz. 36 (3): 720. — Hoffer, 1960. Mus. Nat. Pragae, Acta 

 Faun. Ent. 6: 95, 97. -Sugonyayev, 1962. Akad. Nauk SSSR Izv., ser. Biol., 5: 754-766. 



Biology: Clausen, 1956. U. S. Dept. Agr., Tech. Bui. 1139, p. 125. —Sugonyayev, 1960. Ent. 



Rev. 39 (2): 235. -DeBach, 1964. Biol. Control Insect Pests and Weeds, p. 681. — DeBach, 



1974. Biol. Control, by Nat. Enem., p. 160. 

 meracus Gahan. Va. Host: Ferrisia cirgata (Ckll.). 



P>ii'HdaphticHs meracus Gahan, 1946. U. S. Natl. Mus., Proc. 96: 314, 325-326. 6, 9. 

 meritorius Gahan. Va. Host: Feyrisia rirgata (Ckll.). 



Pseudapln/cus meritorius Gahan, 1946. U. S. Natl. Mus., Proc. 96: 312, 314-315. 6, 9. 

 mundus Gahan. Va. s. to Fla., w. to La. Host: Dys)iiicoccus boitiusis (Kuw.), Plieuacocciis 

 gossypii Tns. and Ckll., Pseudococcus coniatocki (Kuw.), P. longispinus (Targ.-Tozz.). 



P'seudaphycus mundus Gahan, 1946. U. S. Natl. Mus., Proc. 96: 313, 321-324. 6, 9. 



Biology: Bynum, 1938. La. Agr. Expt. Sta., Bui. 298: 27-29. —Clancy and Pollard, 1947. Jour. 

 Econ. Ent. 40 (4): 579. 



perdignus Compere and Zinna. Calif., released, possibly established. 



Pseudaplijjcus perdignus Compere and Zinna, 1955. Portici Lab. Ent. Agr., Bol. 14: 94, 

 105-108.' 6,9. 

 prosopidis Timberlake. N. Mex. Host: Spilococcus prosopidis (Ckll.). 



Pseudaphncus prosopidis Timberlake, 1916. U. S. Natl. Mus., Proc. 50: 570, 571-572. 9. 

 websteri Timberlake. Ind., 111. Host: Pseudococcus viaritii)riis (Ehrh.), mealybug on stem of 

 Elymus virginicus. 

 Pseudupligcus u-ebstcri Timberlake, 1916. U. S. Natl. Mus., Proc. 50: 570, 572. 9. 



Genus STEMMATOSTERES Timberlake 



Stemmatosteres Timberlake, 1918. Calif. Univ., Pubs. Ent. 1 (8): 352-354. 

 Type-species: Sfe)n)natosteres apterus Timberlake. Orig. desig. 



This morphologically aberrant genus consists of only a few species which seem restricted to 

 the Holarctic Region. A North American species is parasitic on pseudococcids. 



Taxonomy: Hoffer, 1955. Acta Soc. Ent. Cechosl. 51: 109-111. —Compere and Annecke, 1960. 

 Ent. Soc. So. Afr., Jour. 23 (2): 381. —Hoffer, 1960. Mus. Nat. Pragae, Acta Faun. Ent. 6: 

 98. 

 apterus Timberlake. Calif. Host: Dijsinicoccus tiniberlakei (Ckll.). 



Stemmatosteres apterus Timberlake, 1918. Calif. Univ., Pubs. Ent. 1 (8): 354-355. <J, 9. 



Biology: Maple, 1947. Calif. Univ., Pubs. Ent. 8 (2): 109, 114. 

 kuchari Yoshimoto. Alta. 



Stemmatosteres kuchari Yoshimoto, 1972. Canad. Ent. 104 (11): 1837-1839. 6, 9. 



Genus TACHARDIOBIUS Timberlake 



Tachardiobius Timberlake, 1926. U. S. Natl. Mus., Proc. 69 (3): 19-22. 

 Type-species: Tachardiobius nigricaiis Timberlake. Orig. desig. 

 nigricans Timberlake. Ariz., Calif. Host: Tachardiella larreae (Comst.). 



Tachardiobius nigricans Timberlake, 1926. U. S. Natl. Mus., Proc. 69 (3): 22-23. S, 9. 



Genus TIMBERLAKIA Mercet 



Timberlakiu Mercet, 1925. Eos 1 (1): 9-10. 



Type-species: Acerophagus europaeus Mercet. Orig. desig. 



