284 E. E. AUSTEN TABANID^ COLLECTED IN 



border ; wings sepia-coloured in 6 , paler, tliougli loitli a hroionisli tinge, in ? , 

 extreme base and costal cells dark hrown in (^ , miumny-hrown in ? ; femora 

 clove-hrown in (^ , chestnut in $ , hind tihue and tarsi dark hrown (Jiind tihice 

 mummy-hrovm in $ ), front and middle tibiae and tarsi ochraceous-huff, tips of 

 tarsal joints hrown or brownish. 



Head : face prominent in both sexes, shining black facial calli not 

 fixtending to front margin of buccal cavity ; ? with a median, sagittate, 

 cinnamon-rufous callus on front immediately above bases of antennae, pointing- 

 do wnwards and connected above with a median, dark brown, sagittate mark, 

 pointing upwards, in centre of front ; vertex in $ dark brown, shining, the 

 dark brown area, at least in type, extending from eye to eye ; jowls and 

 basi-occipital region clothed with white or yellowish- white hair ; palpi dark 

 ferruginous or burnt-sienna-coloured ; first and second joints of antennw buff 

 in S 5 orange-rufous in $ , greyish pollinose in both sexes, clothed in (^ with 

 long black hairs above, and in $ with short yellowish and short black hairs, 

 third joint ochraceous-rufous in (^ , orange-rufous in $ . Thorax : fringe 

 of longer hair on each side on upper margin of mesopleura, above base of 

 wing, and on postalar callus whitish or yellowish, lighter than covering 

 of disc of dorsum ; pleurae in (^ clothed for most part with black hair, 

 but showing a tuft of yellowish hair beneath squamae ; pleurae in ? clothed 

 with pale buff-yellow hair, but showing some black hairs beneath base of 

 wang. Abdomen : first segment clothed beneath scutellum with dark brown 

 or black hair, clothed elsewhere with whitish, yellowish, or ochreous hair, 

 w^hich may form a transverse band on hind border ; ground-colour of hind 

 borders of second and following segments dull sepia, sometimes tinged with 

 cinnamon ; second and following segments clothed for most part with short 

 black hair ; bands of appressed white hair on hind borders of second and 

 fourth segments deeper at sides ; lateral margins and posterior angles o£ 

 fifth segment in ^ , and of fifth, sixth, and seventh segments in $ clothed 

 with white or yellowish-white hair ; posterior angles of sixth segment in (^ 

 clothed with yellowish hair, or with a mixture of black and ochreous hair ; 

 venter in ^, except extreme base, sometimes lighter (pale mummy-brown 

 or burnt-umber-coloured) on proximal half, clothed with short brownish hair, 

 and at or near distal extremity sometimes with yellowish hair ; venter in $ 

 clothed with short, appressed, pale yellowish hair, hind borders of segments 

 cinnamon-brown. Squamce buff. Halteres: stalk brownish, knob buff or 

 ochraceous-buff. Legs : front coxae clothed with yellowish hair on anterior 

 surface, femora and remaining coxae clothed with black hair ; front and 

 middle tibiae in ^ clothed for most part with short ochreous hairs, middle 

 tibiae sometimes with black hairs on posterior surface; front and middle 

 tibiae and tarsi in ? clothed with ochreous or pale yellowish hairs ; hind 

 tibiae in S ^^^^ upper surface of hind tarsi in both sexes clothed with black 



