BY ARTHUR WHITE. 175 



snd yellow hairs. Abdomen black, with segmentations 

 3^ellow, and bearing yellow pubescence ; genitalia large and 

 prominent with black pubescence. Legs jet-black, with 

 abundant black bristles and pubescence ; posterior tibise 

 and first joint of posterior tarsi with, in addition, short 

 ruddy pubescence, which is especially conspicuous on the 

 inner sides of the tibise. Wings brownish, clarkest towards 

 the tips. 



Female resembles the male, but the abdomen is broader, 

 and the yellow segmentations usually more distinct; ovi- 

 positor long and narrow. 



N. flai'icinctvs is very distinct from any of the other 

 Australian species; it can be recognised at once by its 

 black and yellow colouring, and black legs. It is a scarce 

 mountain species, occurring during the month of January. 



Neoitamus hyaliplnnis, Ricardo. 



Thorax black and grey, with a broad black centre stripe, 

 which is bordered with yellow-brown on each side; scutel- 

 lum with four marginal bristles, which are usually yellow 

 but sometimes black ; abdomen black with hind-margins 

 of segments pale grey ; femora black ; tibias orange-brown 

 with apex black ; wings hyaline or brownish. 



Length. Male, 17 mm.; female, 23 mm. 



Hab. Bagdad Vallev. (Probably generallv distribut- 

 ed). 



Male. .Face grey, with brown tomentum in middle ; 

 moustache bushy, black above, white below. Antennae 

 black, the first joint twice the length of the second, the 

 third about equal in length to the first and second to- 

 gether. Thorax grey, with a broad black centrc'-stripe, 

 bordered by yellow-brown, and broad black side-stripes; 

 scutellum grey, with four marginal bristles, which are 

 usually yellow, but sometimes black. Abdomen robust, 

 black, with hind-margins of segments pale grey ; sides of 

 abdomen with abundant white pubetscence and short white 

 bristles. Legs with femora black; tibiae orange-brown, 

 with apex black ; tarsi black, the first joint brown at the 

 base; bristles of legs entirely black. Wings either hyaline 

 or -brov/n. 



Female resembles the male, but the abdomen is produc- 

 ed into a long ovipositor, and is generally less hairy; the 

 abdominal bristles are shorter, mostly white, but with also 

 a few black ones. 



iY. liyalipennis is the largest known Australian species 

 of the genus. It may be recognised readily by its large 



