456 



Wirth and Stone: Diptera 



Fig. 14:50. Empididae. a-j, Wiedemannia (Roederella) ouec/orum Vaillant: a, head of adult; 

 fa, wing; c, last body segment of larva, ventral view; d, larva, lateral view; e-i, sclerotized parts 

 of head (e-g, latera"l; h, ventral; and i, dorsal views); /, pupa. Abbreviations: (A, antenna;_AR, 

 articular sclerite; C, cardo; CC, cephalic capsule; CG, canal of the salivary gland; DMd, dorsal 

 arm of mandible; L, laminar sclerite; Le, labrum; Lm, labium; Pa, anterior projection of cephalic 

 capsule; PSL, lateral superficial projection of cephalic capsule; Ps, pseudopod; Pv, hypopharynx; 

 R, rotuje or ball-and-socket sclerite; RM, metacephalicrods; RT, tentorial rods; Sa, abdominal 

 spiracle; Sp, prothoracic spiracle; St, stipes of the maxilla; U, U-shaped sclerite; VMd, ventral 

 arm of mandible); 'k-p, HemerooVomia seguyi Vaillant: k, pupa; /, adult antenna; m, female, lateral 

 view; n, larva, lateral view; p, larva, posterior end of body, ventral view; o, egg (Vaillant, 1952, 

 1953). 



VAN DUZEE, M. C, F. R. COLE, and J. M. ALDRICH 

 1921. The dipterous genus D olicftopus Latreille in North 

 America. Bull. U.S. Nat. Mus. 116, 304 pp., 16 pis. 

 WHEELER, W. M. 



T897. A genus of maritime Dolichopodidae new to America. 

 Proc. Calif. Acad. Sci., 1:145-152, 1 pi. 

 WILLIAMS, F. X. 



1939. Biological studies in Hawaiian water-loving 



insects. Part HI. Diptera or flies. B. Asteiidae, Syr- 

 phidae, and Dolichopodidae. Proc. Hawaii. Ent. Soc, 

 10:281-315. 

 WIRTH, W.-W. 



1952. Three new species of Systenus (Diptera, Dolicho- 

 podidae), with a description of the immature stages 

 from tree cavities. Proc. Ent. Soc. Wash., 54:236-244. 



