HuTTON. — On New Zealand Neuroptera. 245 



Hydropsyche colonica. 



Hydropsijche colonica, McLachlau, Journ. Linu. Soc, vol. 11, 

 p. 131, pi. 4, fig. 16 (1873). 



Blackish, head and pi'othorax covered with hoary hairs ; 

 antennae brown, with pale rings. Legs yellow. Abdomen 

 blackish, with a broad whitish line along each side. Anterior 

 wings long and narrow, greyish-yellow, thickly reticulated 

 with dark-grey and with several short blackish streaks on the 

 inner margin. Posterior wings smoky, the veins darker. In 

 the male the last abdominal segment bears in its middle a 

 nearly vertical short lobe, which is notched. Appendages 

 testaceous or yellowish, the last joint of the inferior pair 

 short, subobtuse, stout. Penis cylindrical, directed upwai'ds, 

 the apex thickened, bifid, bearing beneath two broad claw- 

 shaped acute hooks. Length of the body, $ 7mm., $ 8mm. ; 

 expanse of wings, $ 22 mm., $ 28 mm. 



Locality. — Christchurch. 



Genus Polycentropus, Curtis (1835). 



Antennas strong, the joints short, the first bulbose. Maxil- 

 lary palpi with the first and second joints very short, stout, 

 almost transverse ; the third and fourth cylindrical ; the fifth 

 as long as the others united, scout at the base. Anterior 

 wings elongate-oval, densely pubescent, with short fringes. 

 Posterior wings shorter, much broader, with obtuse apices ; 

 apical fringes short, those on the anal border longer ; anal 

 lobe well developed ; discoidal cell open, and the two first 

 costulge generally connected near their middle by a small 

 nervule. 



Distribution. — Europe, America, Ceylon. 



Polycentropus puerilis. 



Polycent)'opits jyuerilis, McLachlan, Journ. Linn. Soc, vol. 10, 

 p. 204, pi. 2, fig 8 (1870). 



Fuscous, clothed with blackish and golden hairs inter- 

 mingled. x\ntenn£e yellow, with narrow brown rings. An- 

 terior wings rather broad, the apices broadly elliptical ; brown, 

 thinly sprinkled with brownish-yellow dots. Posterior wings 

 smoky-grey; apical forks 2 and 5 present, the first twocostulee 

 not connected by a nervule. Legs dirty testaceous. Abdomen 

 brown. In the male there is a narrow, elongate, testaceous 

 lobe from the apical margin of the last dorsal segment, curved 

 downwards ; intermediate appendages needle - shaped ; the 

 superior broad and spoon-shaped ; the inferior elongated. 

 Length of the body, 5 mm. ; expanse of the wings, 15 mm. 



Locality. — Auckland and Christchurch. 



