274 NEW AUSTRALIAN ASILID.E, 



R.S. TAS. 



white hairs ; beard long, white. Antennae rather short, the 

 third joint club-shape and about the same same length as 

 the first two joints together; all j )ints . black, the second 

 with long black bristles at apex. Thorax dull black, indis- 

 tinctly striped iu front, with a few black bristles on posterior 

 margin ; scutellum black, with two or four marginal black 

 bristles. Abdomen violet, with lateral white spots on second, 

 third, and fourth segments ; each segment with a black 

 bristle on either side, and white pubescence. Legs entirely 

 black ; middle and posterior femora with a few black bristles ; 

 posterior tibise with many black bristles ; pubescence of legs 

 black and white. Wings brown or dark jjrey ; first posterior 

 cell widely open; fourth closed a considerable distance above 

 the wing margin ; anal cell closed. 



The only other Australian species of Laphrla with entirely 

 black legs\s L. ornatipemiis from Queensland, a species with 

 parti-coloured wings (yellowish with brown markings), and 

 bluish-black abdomen. 



Neoitamus, Ost-sack. 

 In this genus the ovipositor is very long, laterally com- 

 pressed, and apparently including the sixth and seventh ab- 

 dominal segments ; pubescence on thorax short from anterior 

 margin to centre of dorsum, and long from that point to the 

 scutellum; legs with the tibise " (usually) red, yellow, or 

 yellow- brown. 



Table of Australian Species of Neoiiamus. 



1. Wings spotted or irregularly suffused or t^haded. 2 

 Wings hyaline or unicolourous. 3 



2. Wings grey round posterior border and at apex. 



f I- at emus, Macq. 



Wings slightly suffused with brown at apex of second 

 basal cell, at discal cross-vein, and at base of cubital 

 fork. caliginosus, Sp. nov. 



Wings distinctly spotted. maculatus, Sp. nov. 



3. Legs jet-black. 



Abdominal segmentations yellow. flavicinctus, Sp. nov. 

 Legs always partly yellow or red. 



Medium-sized black and grey species femora entirely 

 blach. , 4 



Snjall brownisli species; femora red or light brown 

 beneath. '^ 



4. Thorax with one broad median stripe ; scutellum with four 



bristles, usually yellow. hyalipennis, Ricardo. 



Thorax with two' narrow median stripes ; scutellum with 



two long black bristles. vulgaius, Sp. nov. 



