PAPERS READ. 



A REVISION OF THE STAPH YLINID^E OF AUSTRALIA. 



By A. Sidney Olliff, F.E.S., 

 Assistant Zoologist, Australian Museum. 



Part II. 



Sub-Family II.— TACHYPORIN^. 



Protkoracic stigmata conspicuous. Antennae inserted under the 



lateral margin of the front before the eyes. Mandibles furnished 



on the inner side with a ciliated membrane which is partly free in 



most cases. No ocelli. Elytra sometimes longer than the sternum. 



A membranous space underneath the prothorax. The seventh 



abdominal segment not very distinct. Anterior coxae large, conical 



and prominent ; trochanters very distinct. Tarsi variable in the 



number of joints. 



Tribe 1. TACflYPORINA. 



Antennae eleven-jointed. Head not margined. Tarsi five-jointed, 

 first joint of the posterior pair moderate or short. 



23. Tachinodeeus, 



Motschulsky, Bull. Mosc. III., p. 217 (1858). 



Mouth-parts similar to those of Tachinus. Head sunk in the 

 prothorax, small and transverse. Antennae long, filiform, the first 

 three joints elongate, the apical joint subulate, pointed at the 

 extremity. Prothorax transverse, broader than the elytra, all the 

 angles rounded. Scutellum large, rounded behind. Elytra longer 

 than the prothorax. Mesosternum carinate. Abdomen only mar- 

 gined at the base. Legs short ; tibiae armed with small spines ; 

 tarsi 5:5:5, the first four joints gradually decreasing in length, 

 the posterior pair with the 1st joint distinctly shorter than the 2nd. 



