174 ERNEST E. AUS'iKN — TWO NEW SPECIES OF 



helow), frontal callus clove-browE, shining, extending from eye to eye and nearly ' 

 quadrate in shape, though slightly liigher in middle line than at sides, in rubbed 

 specimens connected in middle line above with a small black spot in centre of 

 front, above which and not connected with it is a second and much smaller, 

 quadrate, median, blackish spot near vertex ; palpi in both sexes cream-coloured, 

 terminal joint in (j" pyriform, clothed with whitish hairs and also on lower 

 portion of distal two-thirds of outer surface with black hairs ; terminal joint of 

 palpi in Q swollen above and ending in a sharp point below, clothed on outer 

 surface with minute black hairs, mixed with minute whitish or yellowish white 

 hairs ; first and second joints of antennce in both sexes isabella-coloured, clothed 

 with minute black hairs, third joint in ,5 narrow and elongate, its proximal 

 portion cinnamon, its terminal annuli brown ; expanded portion of third joint in 

 Q moderately broad and more or less russet-browu, terminal annuli dark brown 

 or clove-brown. Thorax : dorsum in ^ thinly clothed with erect brownish or 

 blackish hair, mixed with yellowish hairs on central third in front of transverse 

 suture ; dorsum in Q thinly clothed with appressed yellowish hairs, especially on 

 central third and in front of suture ; the grey stripes on dorsum consist in both 

 sexes of a narrow median line extending from front margin to transverse suture, 

 a broader and complete stripe on each side of this, midway between middle line 

 and lateral margin, and a still broader stripe on each lateral margin, which 

 includes the humeral and extends to the postalar callus ; postalar calli and region 

 immediately above base of each wing clothed with whitish hairs ; from humeral 

 callus to base of wing on each side runs a narrow, dark brown, horizontal strijjc, 

 which is clothed with dark brown or black hair ; pleuraj and pectus light grey, 

 and clothed in both sexes with white hair ; scutellum agreeing in ground colour 

 of its upper surface with that of remainder of dorsum, grey on latci'al and hind 

 border, in (^ thinly clothed above with erect brownish hairs, mixed with 

 appressed yellowish hairs near front margin, and with whitish hair on lateral and 

 hind border, in Q clothed above with appressed yellowish hairs mixed with some 

 more erect blackish hairs. Ahdomeii : median grey stripe on dorsum extending 

 from base to hind margin of sixth segment, and clothed with, minute, appressed, 

 yellowish hairs ; grey stripe between median stripe and lateral margin on each 

 side broken up into spots after second segment, and terminating, like median 

 stripe, on sixth segment, although in (j" (at least in case of type) the spots on 

 fifth and sixth segments are invisible unless abdomen be viewed at a low angle 

 from behind ; the spots on the third and following segments forming the paired 

 stripes situated more or less close to or even in contact with the front margins of 

 the segments, but widely sejDarated from the hind margins ; lateral borders of 

 first six segments grey, posterior angles and extreme hind margins of second 

 to sixth segments inclusive narrowly cream-buff; p)aired grey dorsal stripes, grey 

 lateral margins, and grey portion of venter clothed with minute, appressed, 

 whitish hairs ; ventral surface of last three segments, except hind margins of 

 fifth and sixth, greyish clove-brown, hind margins of ventral scutes of second to 

 sixth segments inclusive cream-buff. Wings hyaline, stigma elongate, faint, and 

 inconspicuous. Squama isabella-coloured. Halteres : knob buff or cream-buff, 

 sometimes brownish at base, stalk brownish. Legs : coxte grey, clothed like 

 femora with whitish hair : lower surface and distal fourth of front tibia3 black, 



