240 Transactions. — Zoology. 



last joint usually long but simple, although often flexible. 

 Wings very pubescent, and for the most part narrow. An- 

 tenuEe, as a rule, very long and slender. The larva has the 

 respiratory filaments short, and ordinarily few in number, 

 placed in tufts on the sides of the abdomen ; the case tubular 

 and free. 



Genus Pseudonema, McLachlan (1862). 

 Tetracentron, Brauer (1865). 



Antennae much longer than the wings, joints cylindrical, 

 the basal joint long and thick. Maxillary palpi hairy ; the 

 basal joint short ; second and third long, equal ; fourth 

 scarcely as loug as the third, and less robust ; fifth joint as 

 long as the third and fourth together, flexible. Labial palpi 

 with the terminal joint long and thin. Head subtriangular, 

 the eyes prominent. Abdomen robust. Spurs of the tibiae 

 2.2.4. Anterior wings rather thickly clothed with short 

 hairs, long, narrow, slightly dilated at the apex, which is 

 elongated ; discoidal cell broad ; first apical cell much longer 

 than the others, the second short, scarcely reaching half-way 

 to the anastomosis, the fifth narrow and very acute, barely 

 reaching the anastomosis. Posterior wings folded. 



Distribution. — New Zealand. 



The small, brown, slightly curved larva-case, formed en- 

 tirely from secreted material, which is so common under 

 stones in running streams, probably belongs to this genus, but 

 the larva has not yet been reared. 



Pseudonema obsoleta. 



Pseudonema ohsoleta, McLachlan, Trans. Ent. Soc. London, 

 ser. 3, vol. 1, p. 305 (1862). Tetracentron sarotliroims , 

 Brauer, Verb, zool.-bot. Ges., in Wien, 1865, p. 418; 

 Eeise der " Novara," Neuroptera, p. 12, tab. i., fig. 5. 

 Dark-grey ; basal joints of the antennee rufous, with pale- 

 grey hairs, the other joints reddish-black, with black and 

 white rings. Head red, palpi piceous, with dark-grey hairs. 

 Thorax obscure-red, with ill-defined dark stripes above. Legs 

 dull-red, anterior femora with the upper parts black, anterior 

 tibiae blackish, with a yellow ring in the middle and ^t the 

 apex ; tarsi with very short blackish hairs ; middle tibisB dull- 

 red, ringed with black and white hairs, first joint of the tarsi 

 dull-red, with white hairs, the others with short black hairs. 

 Abdomen dark-grey ringed with brown, the apex red, with 

 pale-grey hairs. Superior anal appendages conical, yellow. 

 Anterior wings dark-grey, densely hairy, sprinkled and banded 

 with black and white spots. Posterior wings dark-grey, 

 vitreous, the neuration pale-brown, the fringe alternately 



