448 SUPPLEMENT. 
with two subtrigonal spots, which, however, are sometimes obsolete or wanting. Legs black ; foot-claws 
and pulvilli short. Tegule white. Wings greyish-hyaline, yellowish at the base ; small cross-vein before 
the middle of the discal cell; apical and posterior cross-veins straight or nearly so ; petiole of the apical 
cell of usual length. 
Hab. Mexico}, Acaguizotla, Chilpancingo, and Amula in Guerrero (H. H. Smith). 
Nine female specimens. [According to Mr. Townsend (Canad. Ent. 1893, p. 166), 
this species “may be the same as C. occidua, Walk.”; he subsequently (Ann. & 
Mag. Nat. Hist. (6) xx. p. 285) states that it is probably a variety of C. pallasi, 
Towns. | 
6. Cistogaster ferruginosa. 
Cistogaster ferruginosa, v. d. Wulp, Tijdschr. voor Ent. xxxv. p. 187°. 
Head, thorax, and scutellum ochraceous; abdomen rufous; antenne and legs black ; tegule and base of the 
wings yellow. 
Length 5-6°5 millim. 
Front narrower than the eyes, ochraceous ; frontal band black ; face slightly prominent towards the oral margin, 
pale ochraceous ; cheeks whitish ; occiput grey ; beard white. Antenne black; third joint a little longer 
than the second, rufous at the base. Proboscis shining black; palpi pale rufous. Thoracic dorsum 
brownish-yellow, with four brown stripes ; shoulders ochraceous ; pleure greyish ; scutellum brownish- 
yellow. Abdomen rufous, usually with yellowish reflections on the second and following segments, 
forming a dorsal stripe and lateral spots ; sometimes on each side of the dorsal stripe there are traces of 
brown spots. Legs black; foot-claws and pulvilli somewhat elongate, the pulvilli fuscous. Tegule 
yellow. Wings brownish-grey, their base yellow ; small cross-vein on or a little before the middle of the 
discal cell ; apical and posterior cross-veins oblique, nearly straight; petiole of the apical cell slightly 
bent upwards. 
Hab. Mexico}, Dos Arroyos, Tierra Colorada, Chilpancingo, Amula, Xucumanatlan, 
and Omilteme in Guerrero, Teapa in Tabasco (H. H. Smith). 
Several specimens, all males. [According to Mr. Townsend (Canad. Ent. 1893, 
p. 166), this insect is probably C. immaculata, Macq. ] 
7. Cistogaster hirticollis. 
Cistogaster hirticollis, v. d. Wulp, Tijdschr. voor Ent. xxxv. p. 187’. 
Head ochraceous ; thorax and scutellum brownish, densely pilose ; abdomen rufous, with a black dorsal stripe ; 
antenne, frontal band, and legs black. 
Length 6°5 millim. . 
Front narrowed behind, ochraceous ; frontal band and vertex black ; face and cheeks ochraceous, with white 
reflections, the face slightly prominent towards the oral margin; beard and pile of the occiput pale 
yellow. Antenne black; third joint a little longer than the second. Proboscis black ; palpi rufous. 
Thorax and scutellum brown ; thoracic dorsum with rather dense and long pile, which is partly yellow 
and partly black ; before the transverse suture the ground-colour is somewhat ochraceous, and obsolete 
black stripes are visible; shoulders and pleure yellowish-grey. Abdomen rufous; base of the first 
segment black ; on the following segments a black dorsal stripe, which in most specimens is divided in 
two parts by a line of ochraceous tomentum ; last segment with ochraceous reflections. Legs black ; 
foot-claws and pulvilli elongate, the pulvilli yellowish-grey. Tegule yellow. Wings brownish-grey, 
at the base and along the costa yellowish ; small cross-vein on the middle of the discal cell; apical cross- 
vein straight ; posterior cross-vein a little curved ; petiole of the apical cell slightly bent upward. 
