n 



black, with the basal four-fifth of the middle tibiae and the bases of 

 the tarsal joints of the middle and hind legs yellow. The sparse pubescence 

 on the femora dark brown on the fore legs, and yellow on the middle and. 

 hind legs. The wing-markings brown ; the apical spot very narrow 

 and long, somewhat extending over the upper branch of the cubital 

 fork. The upper basal cell of the wing brownish about the basal thirds,, 

 and the second basal cell with a small spot at the extreme base. 

 Described from three females taken in the Sakhalin Island, preserved 

 in the Museum of the Imperial Academy of Science in Peterograd. 

 This species is not known to me. 



7- Chryeops nigricornis, Matsuhiura. (PI. II, fig. 1 ; PI. IX. figs. 5 & 6),. 



(Karafnto-Mekura-AbiO. 

 Journ. Coll. Agr. Tohoku Imp. Univ. Sapporo, Japan, IV, 1, p. 66, 

 191 1 ; Thous. Ins. Japan, Addit., II, p. 385, pi. XXII, fig. 14. 



A small dark coloured species with a rather hairy body, with 

 the black antennae, with the extreme hind margins of the black abdom- 

 inal segments yellowish, and with the rather small hyaline parts of the 

 wings. 



Female. Head rather small, nearly as wide as the thorax. 

 Frons broad, slightly divergent towards the antennae, at its narrowest 

 part occupying more than one-third of the head, blackish but entirely 

 covered with a whitish or yellowish grey tomentum, moderately de- 

 pressed across the middle between the large frontal callus and the ocellar 

 triangle ; the large callus quite bare and with a slightly arched upper 

 margin, but the depressed part with a whitish or yellowish pubescence, 

 and the upper part of the frons with numerous tawny pubescence ; just 

 above the antennae a double lunulate narrow band of a white or yellow- 

 ish white dust extending completely round the antennae and for its full 

 width to eyes, and connected beneath the antennae with the similarly 

 yellowish white middle line down the face ; frontal callus conspicuously 

 elevted, somewhat transverse quadrate, nearly occupying through the 



