64 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 113 
Conops (Asiconops) nigrescens, new species 
Description: Female: Length 11.5 mm. Head yellow, dark 
rufous on upper front and vertex. Yellow pollinose on face, cheek, 
orbits, and postvertical stripe. Black narrow midline on front and 
at base of facial keel. Antennae black, dark reddish at margins. 
First segment four times as long as wide. Second segment about 
two times length of first. Third segment missing. Proboscis black, 
reddish in the middle, nearly two times length of head. Occiput 
dark reddish black. 
Thorax black, dark reddish on humeri, metapleura, and margins 
of pleura. Faintly yellow pollinose on dorsum, postnotum, and meta- 
pleura. Faintly white pollmose on pleura. Coxae dark reddish, 
partly black, white pollinose. Legs black, rufous on trochanters, 
apical ventral third of femora, basal half of tibiae, and partially on 
posterior tarsi. Pulvilli, and claws except black tips, yellow. Wings 
yellowish hyaline. Brown pattern between first and third veins and 
vena spuria and along fifth vein. Pattern darker apically. Calyp- 
ters yellow. Halteres dark yellow, dark brown at base. 
Abdomen black, narrow reddish margins on all segments becoming 
lighter and more distinct on the fourth to sixth segments. Seventh 
segment and genitalia mainly reddish. Thinly yellow pollinose except 
on third and fourth segments. Theca black, about as long as wide. 
Type: Holotype, female, BMNH, Redlynch, northern Queensland, 
Australia, November 2-10, 1938, R. G. Wind (Papuan-Australian 
Expedition). 
Conops (Asiconops) satanicus Bigot 
Conops satanicus Bigot, Ann. Soc. Ent. France, ser. 6, vol. 7, p. 43, 1887. 
This species is aberrant in having the sides of the abdomen nearly 
parallel. The second to fifth tergites are of about equal width. Also 
the coloration resembles that of the following genus rather than 
Asiconops. 
MatTERIAL EXAMINED: Yanchep, 32 miles north of Perth, Western 
Australia, Nov. 13-23, 1935, R. E. Turner, 1 male, BMNH. 
Australoconops, new genus 
Type species, Conops splendidus Kréber. 
Similar to Conops, but having an ocellar tubercle with ocelli, and 
having a relatively short and narrow second abdominal segment par- 
ticularly in the male. 
The second abdominal segment in the male is typically about half 
the greatest width of the abdomen. It is as long as the fourth seg- 
ment and shorter than or as long as the third segment. In typical 
Conops, the second abdominal segment of the male is more than half 
