25 



slender ; pedicel two-and-a-half times as long as wide : first 

 funicle joint a little narrower and distinctly (about a third) 

 longer, the second a little shorter than the pedicel, two-thirds 

 as long as the first, and over twice as long as wide, the 

 fourth a little longer than wide; club compact, 6-jointed, 

 the first joint nearly as long as wide, 2-5 distinctly wider 

 than long. Length, 3'20 mm. 



Rah. — Queensland: Cairns district, 600-1,500 feet. Two 

 females, jungle, July, 1915 (A. P. Dodd). 



Type. — I. 5423, South Australian Museum. A female 

 on a tag, antennae and forewings on a slide. 



Opisthacantha flavescens, n. sp. 



■ . Bright orange-yellow, the abdomen and legs golden- 

 yellow : eyes and ocelli black, also a narrow longitudinal 

 stripe along extreme laterad of second abdominal segment; 

 antennae yellow, the club brown. Head moderately broad, 

 no wider than the thorax ; vertex rather broad, the occiput 

 plainly concave ; eyes moderately large, densely pubescent ; 

 ocelli rather small, wide apart, the lateral pair touching the 

 eye margins. Head, scutum, and scutellum with fine surface 

 sculpture and pubescence. Thorax stout, only slightly longer 

 than wide ; scutum large, the parapsidal furrows wide apart, 

 delicate but complete ; scutellum rather large ; postscutellum 

 with a short, stout acute tooth at meson ; metanotum 

 unarmed. Abdomen no longer than the head and thorax 

 united, as wide as the thorax, hardly twice as long as greatest 

 width, rounded posteriorly ; segments all wider than long, 

 the second and third longest, the latter nearly as long as the 

 following united, the first without a horn or prominence ; 

 first and second striate, the rest smooth. Forewings 

 attaining apex of abdomen ; moderately broad ; with two 

 indistinct cross-bands, the first involving apex of submarginal 

 and all marginal and stigmal veins, the second near wing 

 apex, but the extreme apex obscurely hyaline ; discal cilia 

 fine, very dense; marginal vein nearly as long as the stigmal, 

 which is moderately short and oblique, straight, the post- 

 marginal thrice as long as the stigmal ; basal and median 

 veins hardly indicated. Antennae short ; scape moderately 

 long and slender ; pedicel stout, one-third longer than wide ; 

 funicle joints as wide as the pedicel, the first as long as the 

 pedicel, the second quadrate, the third and fourth transverse ; 

 club compact, 6-jointed, joints 1-5 very transverse, the third 

 slightly the widest. Length, 1*15 mm. 



Hah. — Queensland: Cairns district, 1,200 feet. One 

 female, jungle, July, 1915 (A. P. Dodd). 



