26 DIPTERA OF AUSTRALIA, 



thorax elevated ; legs rather short; wings long and narrow; vein* 

 uniformly distinct. 



Hah. — Very little is known. Orphnephila testacea, the type of 

 the family, is said to be found in bakehouses. 



Fam, 10. — PSYCHODiDiE (Moth Midges). Chars. Very small 

 flies; antennae rather long, whorled with hairs ; ocelli none ; body 

 clothed with long coarse hair ; legs rather long ; tibise without 

 spurs; wings broad and hairy, with many longitudinal veins. 



Hab. — Larvae living in fungi and rotten vegetable matter ; 

 peifect insect frequently occurring on walls and windows ; some at 

 least are capable of jumping. 



Fam. 11. — TiPULlDiE (Daddy-longlegs). Chars. The largest 

 flies of the division, if not of the order ; antennae long and thread- 

 like, furnished with long hairs, or pectinated ; almost all without 

 ocelli; proboscis fleshy, rather prominent; thorax with a V-shaped 

 transverse suture ; legs extremely long and fragile]; tibise often 

 spurred at the tip ; wings long, with a very complete venation y 

 discoidal cell present in most cases ; basal cells very long. 



Hab. — The larvse live in the ground, in rotten wood, in fungi, 

 on the leaves of plants, or in water, etc. ; pupte found in the same 

 situations ; imagines frequenting water, damp situations, flowers, 

 etc., and often to be found in caves or under overhanging I'ocks. 



Fam. 12. — dixid^e. Chars. Small gnats; antennae long ; ocelli 

 wanting ; proboscis rather prominent ; body slender ; legs long 

 and slender ; wings somewhat large, occasionally spotted ; six 

 longitudinal veins ; discoidal cell wanting. 



Hab. — Larva3 aquatic ; perfect insects congregating in swarms 

 in damp wooded localities. 



Fam. 1.3. — RHYPHiDiE. Only a single genus. Chars. Moderate- 

 sized flies ; antennae moderately long ; ocelli three ; legs rather 

 long and slender ; wings large and broad, with a discoidal cell. 



Hab. — Larvae feeding on rotten vegetable matter, cow-dung, 

 etc. ; perfect insects often seen on the walls of outdoor closets 

 and sheds, or in caves, and other damp places. 



