131') Mr. J. \l. Mallocli on Exotic Miiscarida;. 



3. Larpre.opecJes, 8-9 nun. in length; postsutnral 



dorso-centrala 4 ; tliomx and abdomen 

 both with conspicuous pruinescenco, the 

 fornuT dit-liuctly vittate, the latter ^villi a 



blnckish dor.xo-centnil vitta uhitii, sp. n. 



Small spi-cies, 4 uiiu. in length; thorax with 

 faint pruinescenco and very faintly vitiate ; 

 abdomen not pruiiiesceut tnsmaniensix, s\^. n. 



4. Thorax tt-staceous yellow, with three broad 



brownish-red vittse which become fuscoua 

 posteriorly, the median one continued over 

 disc of scutelhim ; pleura with a fuscous 

 streak on upper margin from humeri to 



base of wing ftiscnfava, Mallocli. 



Thorax entirely or almost entirely black .... 4«. 

 4 fj. Ilalteres and legs black ; thorax with three 

 broad shining black vittje ; abdomen with 

 iridescent checkerings, bronzy with greyish 

 pruinescence, the apical margins of the 

 tergites violet-coloured in some lights ; 

 frons of male about one-fourth of the iiead- 

 widtli ; eyes very inconspicuously hairy ; 

 arista long-plumose ; wings with a brown 

 spot at apex of auxiliary vein, one over 

 inner cross-vein, and another on each end 



of outer cross-vein iridescens, sp. n. 



Ilalteres pale ; other characters not as above . 5. 



5. Thorax with four pairs of postsutural dorso- 



central bristles C. 



Thorax with three pairs of postsutural dorso- 



central bristles 9. 



G. Longest hairs of arista longer than width of 

 third antennal segment ; legs tawny, tarsi 

 fuscous ; cross-veins not clouded ; fore 

 tibia without bristle at middle of posterior 



surface anturctica, Bigot. 



l>ongest hairs on arista much shorter than 

 width of third antennal segment ; at least 

 part of the femora in addition to tarsi infus- 

 cated ; inner cros.«-vein and sometimes also 

 the outer one distinctly clouded ; fore tibia 

 with a median posterifir bristle 7. 



7. Legs black ; hind tibia of male with a series 



of very long bristles on antero-ventral and 

 another series on posterior surface ; prealar 



bristle short, but distinct poeciliventrisf sp. n. 



At least the tibiie tawny ; hind tibia of male 

 with from two to four short antero-ventral 

 bristles and no series such aa above 8. 



8. Prealar bristle short, but distinct ; almost 



entirely black ; fifth abdominal sternite 



■with normal hairing addita, Walker. 



Prealar bristle indistinguishable from the ad- 

 joining hairs; mid and hind femora with 

 their apical fifth tawny ; fifth abdominal 

 sternite with dense erect fine hairs, which 

 are longer than usual piliventris, sp, n. 



