184 RECORDS OF THE AUSTRALIAN MCSEDM. 



22. Si(yi'op}i(((ja 2K(Ilii(ervis Thomson. 



(Plate XXXV., fig. 6). 



Male. 



Head. — Frous uot very prominent, measuring about two-fifths the 

 width of eyes. Frontal stripe brown, about thrice the width of parafroutals. 

 Parafrontals, occiput, and genae silvery, with brown reflections. First 

 antenual joint uot very conspicuous ; second black, tipped with brown ; 

 third only half as long again as second, dark brown and silvery pollinose. 

 Mesofacial plate silvery, with dark borders. Vibrissa? inserted well above 

 oral margin. Four facial bristles present, three others extending from 

 these upwards half-way towards the anteunal insertion. About thirteen 

 well-developed epistomials present. A row of ten fiontals beside the 

 fi'ontal sti'ipe. Three distinct rows of bristles on back of head. Bristles 

 on genge black. Verticals very well developed, lateral verticals very weak. 

 Thorax I'ather narrower than head, grey, with the usual three longitudinal 

 black lines. Sides grey with a few black markings, ventral side grey. 

 Scutellum grey. Anterior acrostichals very well developed ; of the 

 posterior set only the prescutellar pair sharply differentiated. Dorsoceutral 

 row complete. Apical scutellars absent. Three humerals present. 

 Anterior spiracle provided with numerous white hairs. 



Legs black. First femur slightly haiiy ; tibia devoid of hair. Second 

 femur slightly hairy proximo- venti'ally ; distally a "comb" developed. 

 Third femur only very slightly hairy proximally ; tibia hairless. 



Abdomen, clothed dorsally with short reclinate bristles ; ventral side 

 less hairy than usual. Hypopygium pale reddish brown, slightlj' bristly. 

 Forceps brown, hairy almost to tips, not curved. Claspers brown. The 

 penis is a rather simple structure, very dark brown in colour, and the 

 distal joint produced downwards into two short blunt bosses, while 

 anteriorly it gives off a pair of short processes. 



Female. 



This differs from the male in the following charactei's : — Frons 

 slightly broader than eyes. Frontal stripe almost twice the breadth of 

 parafrontals. A row of eight frontals beside frontal stripe, four othei's 

 beside the eye. Thoracic chaetotaxy as in male. Second femur devoid of 

 " comb." Thii'd femur aud tibia hairless. 



Described from several males and females donated by Mr. H. Tryon, 

 Government Entomologist, Queensland, bred in Oahu, Hawaii, from cow 

 manure. 



23. Sdrcophaga Juemorrhoidalis Fallen. 

 (Plate XXXV., fig. 3.) 



Malk. 



In general appearance a rather large greyish fly, measuring nearly 

 14 mm. in length. 



Head. — Frous not very prominent, a little over half the width of 

 eyes. Fi-ontal stripe exceedingly broad, black, and measuring about 

 thrice the width of the parafrontals. Parafrontals, occiput, and genpe 

 dark grey. Eyes red-brown, about three-fifths the height of head. First 



