DESCRIPTION OF A DAPANOPTERA FROM AUSTRALIA — SKUSE. 109 



upheaved, and that a stream of Papuan life poured into Australia 

 across the bridge so made." 



As aptly remarked by Osten-Sacken, the species of Dapanoptera 

 " are the birds of paradise among the Tipulidie, the more so as 

 they come from the home of the true birds of paradise." 



Order DIPTERA. 



Family Tipulid.e. 



Dapanoptera, Osten-Sacken. 



Dapanoptera richmondiana, sp. nov. 



(^ and $ Length of antenna? 0'063 in... l"60m.m. 



Expanse of wings... 0-380 x 0-098 in... 9-60 x 2-40 

 Size of body 0-279 x 0-048 in... 7-50 x 1-20 



Bright ochreous yellow. Head, rostrum, and palpi black ; 

 antennte brown, fourteen- jointed ; first joint of the scapus twice 

 the length of the second ; flagellar joints twice as long as broad, 

 verticillate-pilose. Thorax more or less tinged with brown at the 

 sides, and sometimes with the indication of a median stripe ; 

 pleurfB sometimes brownish beneath the bases of wings. Club of 

 halteres brownish. Abdomen more or less distinctly brown or 

 blackish above, especially the last segments ; male forceps with 

 a distinct adminiculum ; female ovipositor slightly curved, ochre- 

 ous. Legs long, the femora sooty or dark brown at the tips. 



Wings concolorous with the body and legs, with two brown patches ; 

 a hyaline stripe starting between the bases of the sixth and seventh 

 longitudinal veins and widening to the middle to the anal cell 

 between the fifth and sixth, terminating at the first brown patch ; 

 and an elliptical hyaline spot at the end of the first longitudinal 

 vein ; the first brown patch extends from the costal to the posterior 

 margin of the wing, it is widest between tlie costa and the fourth 

 vein and abruptly narrower in the second basal cell, from whence 

 it again widens to the border ; the second patch is roundish, wider 

 than the first, occurs before the tip of the wing and encloses the 

 discal cell, and the white elliptical spot at the tip of the first longi- 

 tudinal vein occurs about midway between its sides. Auxiliary 

 vein reaching costa opposite the distal end of prasfurca which is 

 very angularly bent ; subcostal cross-vein rather long, close to 

 the tip of the auxiliary ; first longitudinal vein (and cross-vein) 

 evanescent or very pale above the hyaline spot ; supernumerary 



