NEW AND KNOWN AUSTRALIAN SARCOPIIAGID PLIES. 187 



Abdomen relatively broader than usual and with usual 

 markings ; dorsal ])laek line extends on to last segment, 

 where it is trifureated. Hypopygium nearly blaek and 

 exceedingly small. Forceps rather straight, swollen distally 

 and slightly hooked at termination ; proximal half clothed 

 rather scantily with a growth of long black hairs. Accessory 

 plates not very prominent, dark brown ; claspers black, 

 simple. Penis heavily chitinised, (luite black, and of a 

 rather simple type. (Fig. 2.) 



Described from a single male, collected by Dr. E. W, 

 Ferguson, at Eccleston, Allyu River (Patterson River 

 district), N.S.W. Type deposited in Australian Alu.seum. 



LOCUSTIVORA n. gen. 



13. L. pachytyli Skuse. 



Syns: Masicera pachytyli Skuse. in Olliff. xVgric. 



Gazette, N.S.W., 1891, p. 251. 

 Sarcophaga pacJiytyli Coquillet, Insect Life. 



5, 1892, p. 22. 

 Sarcophaga pachytyli Froggatt, Agric. Gaz., 



JN.S.W., 16, 1905, p. 20. 

 Sarcophaga pachytyli Froggatt. Australian 



Insects, 1907, p. 315. 

 Sarcophaga pachtyli Johnston and Tiegs, 



Rec. Austr. Mus. 13 (5), 1922, p. 175. 



In general appearance a rather small grey fly, 4^ to 



5 mm. in length. Skuse stated that the length of the male 

 was two lines (about 4 mm.) and the female 3 lines ( about 



6 nnn.). 



Male. 

 Head. — Front fairly prominent ; eyes nearly four-fifths 

 the height of head and about four and a-half times as wide 

 as frons. Frontal stripe pale chocolate brown, nearly six 

 times the width of parafrontals. The latter, together with 

 the genre and occiput, silvery, with dark reflections. 

 Anterior portion of genre tinged witii brown. First 

 antennal segment more conspicuous than usual ; second 

 large, brown with very faint silvery pubescence; third 

 .segment about one-third as long again as second, rather 

 darker and with a more marked pubescence. Arista rather 



