AUSTRALIAN HYMFNOPTFBA CHALCIDOIDEA, IV.—GIRAULT. 
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5. TETRASTICHELLA HYALIN A new species. 
Female: — Length, 1.00 mm. 
Dark metallic purple, the wings subhyaline, the legs concolorous excepting most of front 
femora, the knees, tibia? and tarsi which are lemon yellow. Postmarginal vein absent. Antennas 
lemon yellow suffused with dusky, the three funicle joints more or less subquadrate and no 
longer than the pedicel; club with a small terminal seta. 
Male : — Unknown. 
Described from five females captured by sweeping miscellaneous flow r ers in a garden, 
February 18, 1913. 
Habitat: Ripple Creek and Halifax, Queensland. 
Type: No. Hy 1837, Queensland Museum, three of the above specimens on a slide with 
detached heads. 
Several days later, three females by sweeping grass along a road at Halifax. 
. Genus APROSTOCERELLA Girault. 
Differs from T etrasticJiella Girault in that there are four ring- joints. 
1. APROSTOCERELLA KELLOGGI Girault. Female. Genotype. 
Honey yellow, the wings hyaline, the abdomen with three to five black cross-stripes from 
base; the propodeum, a large triangular spot on each side of meson of scutum (cephalic half), 
pronotum and a crescentic bar across dorsal half of occiput, black or purplish black. Scape 
pale; antenna? black, the first funicle joint slightly longer than the other two. Club joints 
subequal. Mandibles tridentate. 
Habitat: Rossville (Cooktown), Queensland. 
Type: No. Hyl838, Queensland Museum. 
2. APROSTOCERELLA 10 new species. 
Female: — Length, 1.90 mm. 
Dark metallic green, the legs (except hind coxa) and a large spot in centre of abdomen 
just out from base above, lemon yellow, the scape pale, the pedicel less so; antenna black, the 
pedicel long but shorter than any of the funicle joints of which the first is longest; distal club 
joint not as long as the distal funicle joint. Ovipositor valves somewhat exserfed. Mandibles 
tridentate. Wings hyaline. Club 1 shorter of the two. Propodeum with two delicate median 
carina? which diverge at each end, both short. Yalves of ovipositor exserted for a fifth of the 
abdomen. 
Habitat: Nelson (Cairns), Queensland. Jungle, June 5, 1913. 
Type: No. Hy 1839, Queensland Museum, the above specimen on a slide. 
3. APROSTOCERELLA CINCTIVENTRIS new species. 
Female: — Length, 1.20 mm. 
Resembling Ooletrasticbus nywpha (Girault) but the hind coxa? are metallic green and 
less than the proximal half of the abdomen is lemon yellow. Sides of mesothorax concolorous. 
Mandibles tridentate. Ovipositor exserted for a fifth the length of the abdomen. Funicle 
and club blackish. 
