HuTTON. — 0)1 Ncio Zealand Neuroptera. 225 



of wiugs. Abdomen dark-brown, the base of each segment 

 with a pair of yellow spots. Legs long, the femora brownish, 

 the tibise black. WiDgs hyaline ; the pterostigma brown, 

 surmounting 8 to 10 cellules. Discoidal triangle of the fore 

 wing with the superior and interior sides forming a right 

 angle ; divided into three cellules by three nervules leaving 

 the middle of each side and meeting in the middle. The 

 internal triangle divided in the same way. Discoidal triangle 

 of hind wing crossed by one or two nervules. Length, ^ 

 86 mm., $ 87-92 mm.; of abdomen, 3^ 63 mm., ? 62-65 mm.; 

 of fore wing, <? 51 mm., 2 59-60 mm. ; of hind wing, ^ 

 48 mm., $ 54-56 mm. 



Locality. — New Zealand ; especially the North Island. 



A variation occurs in the division of the discoidal triangle 

 of the fore wing, which is often simply crossed by two nervules, 

 one from the supeinor the other from the interior side. The 

 division of the internal triangle does not vary. 



Tribe AGEIONINA. 



Eyes small and distant ; wings equal, attenuated at their 

 bases. 



Genus Lestes, Leach (1817). 



Wings horizontal in repose. Nodal sector arising three to 

 five cells behind the nodus ; the subnodal not angulated or 

 hardly undulated ; the ultra-nodal sector interposed and the 

 short sector angular under the nodus ; two supplementary 

 sectors interposed between the subnodal and the median sec- 

 tors. Pterostigma three or four times as long as broad, sur- 

 mounting 2 to 4 cellules. Two ante-nodals in all the wings. 

 Quadrilateral with the internal side a third or a fourth of the 

 interior. Anal appendages of the female cylindrical, subulate, 

 shorter than the last segment. 



Distribution. — Cosmopolitan. 



Second Section. 



External inferior angle of the quadrilateral much pointed. 

 Colour blackish-bronze, mixed with blue or clear red. Inferior 

 appendages of the male short. 



Distribution. — Asia, Australasia, Oceania. 



Lestes colensonis. 



Agrion colensonis, White, Zool. "Erebus" and "Terror," 

 Insects, pi. 6, fig. 3. Lestes colensonis, Selys, Synopsis 

 Agrionines, p. 44 (1862) ; Hudson, Man. Ent. of N.Z., 

 p. 104, figs. 3, 3a (1892). 



Pterostigma black in the male, brown in the female, sub- 

 tending three or four cells, not dilated, slightly oblique' at the 

 15 



