62 STUDIES IN AUSTRALIAN NEUROPTERA, ii , 



Thorax pale yellowish; leys straw-colour with a dark patch 

 at apex of femur, anotlier near base of tibia, a third at apex of 

 same; tarsal joints brownish apically, claws dark. 



Abdomen rather short, slender; 1 yellowish, 2 pale brown, 

 3 yellowish at base, shading to dull brown; the rest dull brownish 

 touched with pale brown on apices of 7-9. 



Wings with very pale, straw-coloured venation, abundantly 

 speckled with brownish, especially along R, M, and Cu. Fteru- 

 st'igma large in all four wings, 2 mm., pale straw-coloured, cover- 

 ing about 8 cruss-veins, and touched with brown at the inner 

 angle. Four cross-veins in radial space of forewing; 5-6 descend- 

 ing branches of Ks before radial brace. 



Hah. — Sydney, N.S.W. Two specimens, collected in October, 

 1909, by the late Mr. Helms, to whom I dedicate the species. 



Type in Coll. Tillyard; cotype in Coll. Petersen. 



This delicate and almost ghost-like species is quite distinct 

 from anv other M ynaeleoidd known to me. 



Genus A L L O F O R M I C A L E o N Esb.-Pet. 



Di tiers from Formicaieon Brauer. by the absence of the Bank- 

 sian line. 



14 Al.I.OFORMlCALEON HYALINUS, n.sp. (PI. vi., fig. 16). 



Total length 22, abdomen 16, forewing 25*5, hindwing 24mm. 



Head dark grey above, a pale, transverse line across occiput; 

 atdeume. long, 6"5 mm., slender, black, strongly clubbed; face 

 blackish, orbits ed'^ed with pale cream, genre and labium yellowish. 



Thorax: prothorax short, dull greyish above, yellowish 

 beneath. Plerothorax dull greyish-brown above, mottled with 

 paler grey; underside grey, with some yellow markings. Leys 

 greyish; hind femora very pale at bases, touched with black in 

 middle and at apex; hind tibife pale, with a touch of black at 

 apex. 



Abdomen slender, subcylindrical, uniform grey-black; ap- 

 pendages touched with straw-colour. 



Wings: venafAon blacki.sh, Sc speckled in both wings: wings 

 quite hyaline except for a slight touch of black basally on ptero- 



