COLLECTED AT BACKIAN, KAISAA, ETC. 131 



2. IcARiA IMPETUOSA. /. femiginea; flavo multidecorata ; alls hya- 

 linis, margine antico fusco maculato. 



Female. Length 4 lines. Ferruginous ; the mandibles, clypeus, face 

 on each side, the scape of the antennae in front, and a spot between 

 them, yellow ; a black spot at the base of the clypeus. Thorax : the 

 prothorax anteriorly, the tegula;, scutellum, postscutellum, and the 

 middle of the metathorax, yellow ; a black line down the middle of 

 metathorax ; the legs variegated with yellow ; wings hyaline, their 

 nervures ferruginous, with a fuscous macula in the marginal cell. Ab- 

 domen ; a narrow yellow band on the apical margin of the petiole, and 

 an oblique spot on each side of the base of the first segment, its apical 

 margin having a broad yellow fascia. 



Hab. Bachian; Amboyna. 



In specimens from Amboyna the yellow is almost obsolete in the meta- 

 thorax. 



Gen. Pachtmenes, Sauss. 



1. Pachymenes ELEGA.NS. P. laetc viridis ; clypeo pube argentato- 

 alba ; ahs subhyalinis, marginibus anticis fuscis. 



Female. Length 6 lines. Bright metallic-green ; the head and thorax 

 with coppery tints, and, as well as the basal segments of the 

 abdomen, closely and strongly punctured ; the second and following 

 segments finely punctured. The antennse and mandibles black ; the 

 latter green at their base. The metathorax rounded behind, with 

 deep central depression. Wings subhyaline ; the anterior margin of 

 the superior pair fuscous, with a purple tinge. The basal segment of 

 the abdomen campanulate and brassy-greeu ; the following segments 

 blue-green. 



Hab. Bachian. 



This species has a general resemblance to Pachymenes viridis from Aru, 

 but in the present species the basal segment is oblong, whilst in the Aru 

 insect it is transverse. 



Gen. Vespa, Linn. 



1. Vespa affinis, Fabr. Syst. Piez. p. 254 (var. V. cinctal). 

 Hab. Bachian ; Celebes ; Malacca ; Singapore ; India ; China. 



2. Vespa Philippinensis, Sauss. Mon. Guepes, Soc. p. 148. 

 Hab. Amboyna; Phihppines. 



Fam. ANDEENID^, Leach. 

 Gen. Pbosopis, Fabr. 



1 . Prosopis EXiMius, P. capitc thoraceque uigris, flavo pulchre pictis ; 

 peJibus abdomineque ferrugineis, flavo plagatis. 



