288 P- Cameron. 



Hewittella flavomaculata sp. nov. Q. 



Rufo-testaceous ; the face, the greater part of the vertex, 

 the orbits narrowly and more or less of the pleurae, 

 mesonotum and scutellum, yellow; the antennae, tips of 

 mandibles, 2 large quadrangular marks on the 5 th abdo- 

 minal segment and the hind legs, except the joints, black; 

 wings hyaline, the ,base slightly suffused with yellow; 

 the Stigma and costa fuscous, the former pale at the base; 

 the nervures are paler; the apical segments of the abdomen 

 are pale testaceous. — Length 6 mm; terebra 1 mm. 



Sarawak, Bornéo (Hewitt). 



Smooth, shining; a rugose space, narrowed above, 

 over the mouth ; the front depressed. Mesonotum and 

 scutellum flat, especially the former at the apex ; the latter 

 is more elevated than the former. Abdomen closely 

 rugosely punctured; the area on 2 nd segment punctured, 

 smooth at the base, its apex is produced shortly beyond 

 the middle of the segment; this narrowed apical part is 

 depressed in the centre, the sides sharp, forming keels ; 

 there are 3 distinctly defined, crenulated furrows ; the 

 apices of the segments are smooth. Legs covered with 

 short pubescence. The amount of the black and yellow 

 colour varies. 



Literatur, 



Adams, C. F. Notes on and descriptions of North 

 American Diptera. (Kansas Univ. Science Bull. Vol. II, 

 No. 14. 1904, 433—455). Neue Arten: Simuliam notatum, 

 Mydas abdominalis, Xylophagas nitidus (Tabelle 435), 

 Chrysopila lucifera, bella, flavibarbis (Tabelle für 36 

 Arten), Symphoromyia flavipalpis (439), Leptis pleuralis, 

 palpalis (Tabelle 440), Psilocephala occipitalis, lateralis 

 (444), Thereva anomala, Scenopinus mirabilis, electa (445), 

 Naasigaster scutellaris (446), Sphyximorpha Snowi (447), 

 Tetanocera inopa, Icterica fasciata (Tabelle 449), Urellia 

 flava, conjuncta occidentalis (Tabelle 450), Eladiiptera 

 bilineata, Hippelates splendens (453), Limosina exigua, 

 occidentalis, sordipes (Tabelle 454). 



