BY R. J. TILLYARD. 307 



11. PSYCHOBIKLLA FUSCA, 11. sp. (Plate XV., fig.21). 



Total hmith 4'7, forewing 8"5, fxpauHP 18 mm. 



Head : eyt's dull black: aiitmiui' brown with darker annula- 

 tions, basal joint semitransparent orange-brown, enlarf^ed; ep-i- 

 craniit/m hairy, brown: facf yellowish-brown. Thorax atid 

 Abdomen dark brown. Lp(/s : forelegs dark brown: the rest 

 pale testaceous. W i n g s : forennmifi deep seniitranspai-ent t'lis- 

 cous, tinged with blackish along basal half of hind-border; ptero- 

 stigma dull lirown, with a fine yellow line passing through it 

 just below costal margin. il'mdirmy hyaline, with brownish 

 stigma. 



Type in Coll. Tillyard. A unique specimen, captured by 

 me at One-Tree Hill, Brisbane, on September 23rd, 191.^, while 

 sweeping the branches of the same pine-tree from which 1 (jb- 

 tained Mft/a/omi/ia acuminata. 



Genus MicROMUS Rambur. (Text-fig. 2). 



Rambur, Hist. Nat. N<^vroptt'res, [Hi'I. 



irim/.s' rounded at tips. Forfu-hui with four or more radial 

 sectors, regularly and evenly spaced off from one another, all 

 simple except the most distal. Tw(j series of gradate cross-veins 

 in both wings. Hlndimmj with only one false origin to Rs; 

 Cuo absent, Cuj close to M, Cu,„ weakly formed. Ftfroat'igma 

 strongly formed, especially in hindwing. 

 Genotype, M. iririegattis Fabr. 



The two Australian species of this widely distributed genus 

 may be separated as follows: — 



'Smaller species, with only five radial sectors in forewing 



M. ta»mam(f (Walker). 



Larger species, with bi'oader wings and six ladial sectors 



M. vinacenf< Gerst. 



12. MiCROMUS TASMANi^*(Walker). (Text-fig.2). 

 Walker, "Characters of undescribed Neuroptera in the Col- 

 lection of W. W. Saunders, Esq.", Trans. Ent. Soc, v., 1859.= 

 M. austraJis Froggatt, Agricultural Gazette of N. S. Wales, 



* In 1852, ^^'alkel■(14) described Hemerobhis anftrali'^ from New Holland 



