3 6 t; okada 



Periphallic organs : Genital arch broad, ventrally somewhat narrowing, brownish black, 

 setigerous and pubescent ; heel low, rectangular. Anal plate pale yellowish brown, oblong, 

 thickly setigerous. Clasper ovoid, distally rounded, brownish black, pubescent and with short, 

 setae. Phallic organs : Aedeagus black, entirely bifid, sub-basally strongly sinuate ; ventral 

 recurved process rod-shaped, orange ; apodeme unusually developed, long, and stout. Anterior 

 paramere pale, short, fusiform, medially with a row of a few sensilla. Posterior parameres orange. 

 Ventral fragma laterally pale yellow, broad, fusiform. PI = 50. p.f. = ABCDeFgHikLmN. 



Taplejung District, between Sangu and Tamrang, mixed shrubs in deep gorge, 

 c. 5,200', x-xi.1961, 1 ^, 1 $ ; above Sangu, evergreen scrub, c. 6,500', 5-13.X.1961, 

 1 $. Arun Valley, east shore of River Arun below Tumlingtar, evergreen shrubs 

 bordering dry stream-beds, c. i,8oo', 14-23. xii.1961, 1 $ (R.L.C.). 



Distribution : Nepal (new locality), Formosa. 



Differs slightly from the original form (Formosa, Duda, 1924) in having larger 

 body and sometimes entirely yellow palpus. 



Leucophenga albiceps de Meijere 

 (Text-figs. 75, 91-93) 



Leucophenga albiceps de Meijere, 1914 : 258 (Java); Duda, 1924a : 190 (Java, Formosa). 

 Leucophenga albiceps var. meijerea Duda, 1924a : 190 (Formosa). 

 Leucophenga meijerei Duda, 1924b : 240 [in citation]. 



$. Body about 3-2 mm. Head as broad as thorax. Eyes dark red, bare. Antennae with 

 second segment yellow ; third yellowish white, quadrate, broad, apically truncate. Arista 

 with about four dorsal and two ventral branches and a moderate terminal fork. Palpus yellow- 

 ish white, large, medially broadened, with a few prominent ventral setae. Ocellar triangle 

 black, bluish grey pollinose. Periorbit short, greyish white, well demarcated, apically curved 

 inward. Front pale yellowish grey, parallel-sided, anteriorly slightly broader than median 

 length down middle. Clypeus pale yellowish grey, protruded. Postverticals short. Face 

 greyish white, flat, laterally depressed, lower margin somewhat protruded. Cheeks narrow, 

 whitish, about one-twelfth as broad as the greatest diameter of an eye. Posterior reclinate 

 orbital longer than other orbitals ; anterior reclinate orbital outside and posterior to proclinate, 

 four times as distant from posterior reclinate as from proclinate. Only one prominent oral. 



Mesonotum dark yellowish brown, somewhat silver pollinose ; neck region brown above. 

 Scutellum dark yellowish brown, silver grey pollinose, apically white and broadly rounded. 

 Thoracic pleura pale yellowish grey, somewhat fuscous below, with dark patches on pteropleuron. 

 Humerals two, long, stout. Prescutellar longer than anterior dorsocentral. Acrostichal hairs 

 in about eight rows. Anterior dorsocentrals half as long as posteriors ; distance between 

 anterior and posterior dorsocentrals about one-fourth distance between anterior pair. Anterior 

 scutellars divergent, longer than posteriors, which are nearer to each other than to anteriors. 

 Sterno-index about 09. Legs yellowish white, knees pale. Front metatarsi slightly shorter 

 than the succeeding segments, mid and hind metatarsi slightly longer than the succeeding 

 segments. Preapicals on mid and hind legs ; apicals on all legs. Wings hyaline, veins yellow- 

 ish brown. -R 2+3 nearly straight, apically not curved to costa ; i? 4 + 5 and M parallel ; i? 4 + 5 only 

 weakly convex near base. Posterior crossveins weakly curved inward. C-index about 23 ; 

 4V-index about 1 -8 ; 4C-index about 0-9 ; 5x-index about 1 -2 ; Ac-index about 1 -6. Ci-bristle 

 two ; C3-fringe on basal five-sevenths. Halteres yellow. Abdominal tergites pale yellow, 

 with black spots as follows : two small on 2T ; three large somewhat confluent on 3T ; three 

 large on 4T ; five on 5T ; two on 6-7T. Anal cercus elongate, pale yellow, setigerous. 



