Becurds of Btes. 221 



anterior knees with a yellow spot ; small joints of tarsi 

 fulvous*; faee with a scanty pale pruinose pubescence ; 

 thorax with very scanty pale hair ; wings hyaline^ nervures 

 and stigma flavous. Mandibles at apex with a concave 

 truncation, or minutely bidentate. 



Hab. Port Essington, N. Australia, with no. 42. 1. 



Two specimens. Easily known from T. australis, Friese, 

 by the entirely yellow scutellum, pale apex of abdomen, 

 markings of clypeus, &c. 



Nomioidcs jyerdikllus, sp. n. 



? . — Length about 5 mm. 



Head and thorax bluish green, shining ; pubescence 

 scanty, white^ more abundant on apex and underside of 

 al)clomen ; eyes strongly emarginate ; clypeus light yellow 

 \>ith two broad black bars (sometimes practically obsolete) ; 

 mandibles yellowish with ferruginous tips ; tubercles and 

 adjacent upper border of prothorax, and teguhe, light 

 yellow; wings clear, nervures pale testaceous, first recurrent 

 nervure joining second transverso-cubital ; antennae dark 

 al)ove and light beneath ; femora black, with the knees 

 yellow; tibite and tarsi yellow, the middle and hind tibiae 

 largely clouded with black or brown ; abdomen broad, 

 piceous, with a large transverse yellow mark on each side 

 ot segments 2 to 5, those on 5 nearly meeting to form a 

 continuous band; venter brown. 



Hab. Queensland, marked " Seaf. 1/90," 438, and 92-lG, 

 two specimens. A third is marked Queensland, 2.200, 75. o'J. 



Very distinct by the marking of the abdomen ; the genus 

 is new to Australia. It is extraordinarily like some of the 

 species of the American genus Ferdita, agreeing even in 

 the details of the marking on the clypeus and abdomen ; 

 but the venation agrees with Ha/ictus. 



Thaimiatosoiiia Duboulayi, Smith. 



Tort Darwin, N. Australia, 92-44 ; Bandin I., 91-82. 

 The latter specimen has the fourth and fifth abdominal 

 segments broadly margined with red. 



Ccelioxijs rcy'ma, sp. n. 



$ . — Length a little over 11 mm.; expanse 19i mm. 



Black,, even to the tarsi ; pubescence on eyes very short ; 

 clypeus shining, with extremely large close punctures ; 

 face covered with white hair ; vertex, mesotlioiax, and 



