P. ESBEN-PETERSEN, NEUROPTERA AND MECOPTERA. 17 



yellowish front and lateral börder. Meso- and metathorax 

 greyish brown with yellowish hind margin. The underside of 

 thorax yellowish; the lateral margins of thorax below the 

 wings with a broad greyish brown streak. Abdomen brown 

 with yellowish apex and pleurae; each segment with a nar- 

 row yellowish hind margin dorsally and ventrally. Legs 

 yellowish with black bristles. Spurs påle brown, almost as 

 long as the two first tarsal joints united. First tarsal joint 

 hardly as long as second, third and fourth united; fifth joint 

 a little lon ger than the same three joints united. Wings 

 long and slender with acute tips. Membrane hyaline; ner- 

 vures whitish; pterostigma hardly visible. In the hindwing 

 is found a brownish streak, starting from the last crossvein 

 between M^ and M2a and running parallel to the hind margin 

 about two thirds the way towards the tip of the wing. No 

 Banksian lines in the wings. Length of forewing 21 mm; 

 that of hindwing 20 mm. 



Two specimens, Kimberley district, N. W. Australia, 

 December. 



Heteroleon marginalis (pl. 2, fig. 2). Banks, Ann. Ent. 

 Soc. Amer., p. 44, 1910. — One female specimen, Kimberley 

 district, N. W. Australia, and one specimen, tip of abdomen 

 löst, from the same place. 



4. Myrmeleonini. 



Myrmeleonellus n. g. 



Antennae distinctly clavate. Wings rather narrow at 

 base. In the forewing Bs arises a little further out than the 

 fork of Cu^. The angle between Ciiia, and C v i^ rather acute; 

 Cwip somewhat curved towards base of wing apically. No 

 anterior Banksian line; posterior Banksian line distinct. One 

 row of cells in the basal half part of the area between Ctiu 

 and the Banksian line, two irregular rows in the apical half 

 part. 2 A forked at apex; 3 A coalesces with 2 A for a long 

 distance; 3 A is unforked. A series of crossveins present in 

 the apical area. In the hindwing Rs arises further out than 

 the fork of M^; five crossveins in the radial area before the 

 origin of Rs. Three rows of cells in the basal half part of 



Arkiv för zoologi. Bd 11. N:o 26. 2 



