168 STUDIES IN PHLEBOTOMIC DIPTERA, NO. I. 



Family SIMULID^. 

 S1MULIUM BANCROFTS sp. n. 



(Figs, i anil 2.) 



9. Head black with grey totneiitum ; front with a well-defined median groove ; palpi black with 

 black and pale pubescence, first joint pale, apex of second narrower than base, third strongly emarginate 

 on the inner side towards the apex, fourth long, thin, cylindrical; antennas nine-jointed, first two 

 brownish, first shorter than second, latter about the length of the third, third to the apex black, third 

 broadest and about twice the length of fourth ; proboscis black, apex with short, stout pubescence ; 

 eyes coppery. 



Thorax: Black, tomentum grey, pubescence pale; pleura? black with grey tomentum. 



Abdomen : First segment deep black, two to six deep black with median apical ash-grey spots, 

 small on the second and increasing in size to the sixth, which is ash-coloured, except for a narrow- 

 basal and lateral margin of deep black, seventh ash-grey, with a narrow lateral deep black border, 

 eighth ash coloured, third to fifth also with apices of sides ash-coloured, pubescence black, pale on 

 the pale areas ; venter grey with grey pubescence. Halteres pale creamy. 



Legs: Dark yellowish-brown, tibia? dark brown above, anterior tarsi black, except base of first 

 yellowish-brown, mid and posterior tarsi yellowish-brown, second to fourth with their apices dusky, 

 first posterior tarsi dusky beneath ; pubescence pale ; apex of tibia? with a stout spine ; apex of first 

 posterior tarsi produced into a terminal expansion overlapping the second tarsals beneath. 



Wings : Clear, pale yellowish at the roots ; costa auxiliary and first long veins paler than roots, 

 remaining veins almost indistinguishable from wing membrane. 



Length, 2 mm. ; length of wing, 2 mm. 



Hab.—Q. : Eidsvold (Dr. T. I.. Bancroft). 



The wings, legs and abdominal ornamentations render this species abundantly distinct from 

 S. furiosum, Skuse, and S. victoria', Rouband. It resembles S. jolyi, Rouband, from New Hebrides, 

 in having an apical terminal expansion on the first posterior tarsi. 



It affords me much pleasure to dedicate this species to its discoverer. 



SIMULIUM FURIOSUM, Skuse. 



Proc. Linn. Soc. N.S. Wales, xiii., p. 1365, 1888 (1889), pi. xxx.. lig. 1. 



A specimen, on a card, presented to the Institute by Dr. Ferguson, may possibly be this species, 

 but it is in a very poor state of preservation and is more or less covered with gum. which has obscured 

 details, thus rendering its determination indefinite. 



Hab. — N.S.W. : Narromine (Dr. Ferguson). 



