BY ARTHUR WHITE. 193 



belonging to tliis group, Bomhylius rrassus, WalJi^ previ- 

 ously described only from the Australian mainland, is a 

 Sysiccchus, and Sysfcchus eulahiatus, Bigot, is a Sisyromyia. 



Table of the Tasmanian Species of Bomhylius. 



\. Golden-haired, very small species; abdomen with- 

 out any black hairs. Chrysendetus, Sp. nov. 

 Fuscous-haired species ; abdomen with intermixed 

 long black hairs. 2 

 2. Face in male narrow, about the width of one eye; 



legs pale red. Fuscanus, Macq. 



Face in male broad, about the width of two eyes; 

 legs dark reddish black. Palliolatus, Sp. nov. ' 



In addition to the above two species described by Mac- 

 quart under the names Bomhylius teniiicornis and Bomhy- 

 lius consnhrinus, which are unknown to me, may belong 

 here. The former is described as a red-haired species, with 

 legs red, and wings hyaline, with base and foremargin 

 fuscous. Length, female 8 mm., of proboscis 4 mm. B. 

 ronsohririus is described as a yellovz-haired species, with 

 legs red, and wings grey, with the base and foremargin 

 darkened. Length, male and female, 5.5 mm. 



BoMBYLius FUSCANUS, Macq. 



Syn. ? Bomhylius matutinus, Walk. 



Fuscous haired species, the abdomen with int-ermixed, 

 scattered, long black hairs; femora and tibiae pale red; 

 wings hyaline, with base and basal part of foremargin dark 

 brown ; face in male narrow, about the width of one eye. 



Length. Male, 5-9 mm. ; female, 6 mm. 



Hab. Generally distributed. (Also in Victoria.) 



Male. Face narrow, and nearly parallel-sided, hardly 

 the width of one eye, fuscous, and bearing dense, long, 

 black hairs. Proboscis slender, about equal in length to 

 the thorax. Antennae black, the first joint three times 

 the length of the second, and bearing long black hairs, 

 the third strap-shaped, about equal in length to the first 

 two joints together, and terminated by a pointed styla. 

 Thorax drab, arched, covered with dense, fiuTy, fuscous 

 pubescence, which is intermixed sparse black pubescence; 

 scutellum similarly coloured. Abdomen drab, bearing 

 sparse fuscous pubescence and scattered, long, black hairs. 

 Femora, tibiae, and tarsi light red, the tarsi with the tips 

 darkened. Wings hyaline, with base and basal part of 

 foremargin dark brown. 



