158 MEMOIRS OF THE QUEENSLAND MUSEUM. 
Also funicle 6 is black as well as the club. A stripe across the honey yellow abdomen at base, 
margins of abdomen centrally, propodeum, the part of the mesothorax just laterad of seutellum 
and a concave curved stripe across abdomen at about middle about in the shape of a U, 
purplish. Fore wings embrowned margin to margin from about the marked concave bend of 
the submarginal vein to apex but obscurely clearer at apex centrally, distinctly clear in a 
triangular spot just distad of postmarginal vein and a larger oblong area opposite at caudal 
margin. Discal cilia proximad of hairless line about two lines, coarser and blacker than the 
other ciliation. Vertex shagreened. Segment 3 of abdomen occupying more than half the 
surface. 
From one female caught sweeping in forest, June 27, 1913. 
Habitat: Gordonvale (Cairns), Queensland. 
Type: No. Hy 3116, Queensland Museum, Brisbane, the specimen on a tag. 
5. CRISTATITHORAX VIRIDISCUTUM new species. 
Female :—Length, 1.45 mm. 
Like mackayensis but a little stouter, the abdomen broader, less pointed, the middle 
of the propodeum visible and yellowish, the metallic green band across the base of abdomen 
narrow and only a little purplish on abdomen above centrally. Legs all white except caudal 
knees and a dusky band above and one below middle knees. The scutum is distinetly longer. 
Scape rather greatly swollen its entire length, the club dusky, much enlarged, longer than the 
funicle. Funicle and pedicel dusky, scape yellow. Scape hardly more than a half longer than 
broad. Frons four times as wide as an ocellus. Funicle 6 longest and widest. Fore wings 
about as in mackayensis and so the mandibles. Axille slenderly joined not distinctly so as in 
mackayensis and with a short carina between as in that species. First five funicle joints 
annular. 
From one female caught August 12, 1913, sweeping forest (A. P. Dodd). 
Habitat: Gordonvale (Cairns), Queensland. 
Type: No. Hy 3117, Queensland Museum, Brisbane, the female on a tag, the head and 
a fore wing on a slide. 
6. CRISTATITHORAX NOVIMANDIBULARIS new species. 
Female :—Similar to mandibularis but honey yellow, the axille distinctly separated for 
some distance, the pronotum also purple. Middle legs with a dusky spot just below knee. 
Frons somewhat narrower. Abodomen mostly all purplish. 
From two females caught crawling over a seashore plant infested with unarmored 
coccids, October 30, 1911. 
"Habitat: Port Douglas, Queensland. 
Types: No. Hy 3118, Queensland Museum, Brisbane, the specimens on a tag; heads on a 
slide. 
7. CRISTATITHORAX MACKAYENSIS new species. 
Female :—Length, 1.30 mm. Short, rather stout. 
Orange yellow; scutum dark metallic green; propodeum and a rather broad stripe across 
base of the abdomen washed with the same color; knees, caudal legs except articulations and 
tarsi and ventral edge of the somewhat swollen scape, dusky. Pedicel at base above, club, 
first two funicle joints and part of the third, black. Tuft of hairs on scutellum black, the 
sclerite finely longitudinally scaly striate; axille broadly joined, transversely scaly reticulate. 
Ocelli in a nearly equilateral triangle, the frons moderately narrow. Scutum with short silvery 
pubescence. Pedicel distinctly longer than any of the funicle joints, all of the latter plainly 
wider than long, 3 and 4 shortest. Second tooth of mandible subtruncate, the third tooth thus 
not formed. Fore wings embrowned to apex from base of marginal vein but the apex is 
