406 
D? K. KERTÉSZ 
Thorax black, very densely and finely granulated, the dorsum dull, 
short sandy-red haired, pleuræ moderately shining, the hairs yellowish. 
Humeri, a round spot in front of the wings and a stripe at the sides 
behind the yellow marked suture are all yellow. 
Abdomen moderately shining, very densely and finely granulated. 
First segment black, with yellowish pubescence and long whitish hairs 
at the sides ; second much contracted, as long as the other segments 
together, reddish-brown, blackish granulated, the hind-margin yellow 
and in front of it a somewhat broader black cross-band; third and 
fourth segments black, the pubescence yellowish, hind-margins yellow ; 
fifth all black. Belly black, but the hind-margin of the first and all the 
second segment reddishbrown, 
the hind-margin of the second 
and third narrowly yellowish. 
Legs reddish-brown, fe¬ 
mora darker at the basis and 
some traces of a dark ring in the 
middle ofthetibiæ. Hind femora 
with little warts beneath which 
become small thorns towards 
the tip. The last tarsal joint 
Fig. 1. Cerioides similis n. sp. £, head. on pp e upper-side more or less 
blackish-brown. 
Wings yellowish, dark brown on the costal border, blackish at the 
tip. The boundaries of the brown colour are : the lower basal cell, the 
«vena spuria» and the upper part of the subapical cell. The loop of the 
subapical cell without a veinlet. Squamæ and halteres yellow. 
Length (exclusive of petiole and antennæ) : 15—20 mm; wings: 
10—14*5 mm. 
Two males and two females from Formosa, Kosempo (4 and 25. IV. 
1908), Fuhosho (VII. 1909) and Toyenmongai. (Mus. Hung.) 
2. Cerioides tibialis n. sp. £ . Fig. 2. 
Vertex and frons black, the upper part of the latter with a depres¬ 
sion each side and therefore a slight ridge runs from the ocellar triangle 
to the petiole. Back of head greyish pollinose and yellowish haired. 
Face yellow with a broad middle stripe and without a transverse line 
between the petiole and the eyes. Cheeks black, below behind the eyes 
a reddish-yellow spot. Petiole black, shorter than the first joint of the 
antennæ, which is shorter than the second and third together; the 
second is the shortest; all of them black except the third which has 
traces of brown; terminal style black, acuminate. 
