BY FREDERICK A. A. SKUSE. 241 



prasinous, with three olivaceous stripes more or less tinged with 

 tawny ; pleura?, pectus and scutelhim prasinous, the latter 

 fringed with short yellow hairs ; metauotum prasinous an- 

 teriorly, livid posteriorly. Halteres prasinous. Abdomen 

 short, robust, seruginous, all segments with a narrow paler border 

 posteriorly, clothed with a sparse pale yellow pubescence ; 

 terminal lamellae yellow. Coxse and femora prasinous. Tibiae 

 and tarsi of fore legs sooty brown. Tibiae and metatarsi of inter- 

 mediate and hind legs somewhat fulvous, their tips and all 

 remaining tarsal joints sooty brown. In fore legs metatarsus J 

 longer than tibia. Wings the length of whole body, beauti- 

 fully opaline ; costal, first and third longitudinal, middle 

 cross-vein, and basal half of fourth longitudinal veins distinct, 

 yellow. Costal and third longitudinal veins meeting considerably 

 before apex of wing ; auxiliary vein indistinctly joining costa 

 about mid-way between middle cross-vein and tip of first longi- 

 tudinal vein ; second longitudinal vein scarcely distinguishable, 

 reaching costa at a point ^ the distance from tip of first longi- 

 tudinal to tip of costal vein ; fourth longitudinal pale, almost 

 reaching wing-margin, its tip situated about mid-way between tip 

 of costal and that of anterior branch of fifth longitudinal fork ; 

 base of latter lying somewhat beyond middle cross-vein, its 

 posterior branch somewhat more than half the length of anterior. 



Hah. — Summer Hill, near Sydney (Mr. Cyril Haviland). April. 

 B. Thorax pale without distinct stripes. 



230. Chironomus seorsus, sp.n. (PI, xi., fig. 4). 



9. — Length of antennae 0*025 inch ... 0*62 millimetre. 



Expanse of wings 0-085 x 0-025 ... 2-14x0-62 



Size of body 0-070x0-016 ... 177x0-40 



Antennae ochreous-brown, with long brownish verticils ; basal 

 joint deep brown. Head ochreous-brown ; face and clypeus deep 

 brown. Palpi yellow. Thorax yellow, levigate, with three 

 16 



