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MEDICAL ENTOMOLOGY 



Species with paler bands and sometimes spots on abdomen. 

 Forehead four to ten times as long as it is broad . . GROUP JX 



Species with abdomen unicolorous or almost so, sometimes 

 darker at apex. Forehead five to ten times as long as it 

 is broad GROUP X 



VIII. Species with eyes pubescent and an ocelligerous tubercle 



on forehead at vertex ...... . GROUP XI 



TABLE OF SPECIES 



Group I. 



1. Subcallus shining. Eyes with no cross-bands. ...... 2 



Subcallus not shining. Eyes with cross-bands ...... 3 



2. Frontal callus reaching eyes. Abdomen grey, covered, with 



long white pubescence. Tibiae whitish, with long fringes of 



white hairs rams. 



(Federated Malay States.) 

 Frontal callus not reaching eyes. Abdomen black, shining. 



Tibiae whitish, but with no long fringes of white . , hirtipalpis. 



(Nepal.) 



3. Frontal callus reaching eyes. Black species with three grey 



stripes on abdomen ........ bicallosus. 



(Pusa, Bengal ; Madras.) 



Group II. 



4. Dark brown or yellowish-brown species with yellow-haired 



scutellum and yellow-haired bands on abdomen ..... 5 



Black species with white-haired scutellum and white-haired 



bands on abdomen ........... 6 



5. Abdomen reddish brown or yellow with six narrow yellow 



bands. Palpi pale yellow with black and yellow pubescence. 



Fore tibiae pale on basal two-thirds only 



Abdomen dark reddish-brown or blackish with two broad 

 yellow bands. Palpi black with grey tomentum, and white 

 and black hairs. Fore tibiae pale to apices . . 



. flavicinctus. 



(Assam; South India. 



. leucocnematus. 



(Assam, Burma.) 



6. Abdomen black with two white bands. Frontal callus almost 



reaching eyes. Fore tibiae pale on basal two-thirds only. 



Wings tinged brown on fore border . . . bicinctus. 



(South India ; F. Malay States.) 



Abdomen with six white bands. Frontal callus not reaching 

 eyes. Fore tibiae pale to apices. Wings clear . . . sexcinctus. 



(Burma.) 



Group III. 



7. Forehead slightly narrower anteriorly, three and a half to 



four times as long as it is broad 8 



8. Abdomen blackish covered with golden yellow tomentum and 



appressed yellow pubescence 



fulvus. 



(China.) 



