OF NEW ZEALAND. 123 



almost as broad as long ; in tlie females sometimes like the males, 

 sometimes getting larger toward the tip. Front wings with the 

 median nervure a little arched and slightly flexuose ; the areole very 

 small, quadrangular, sometimes closed, sometimes open outwardly. 

 Legs slender, and rather elongated ; the last jiair strong, the thighs 

 often a little arched inside. Body long and narrow ; the ovipositor 

 rarely longer than the abdomen, generally shorter. 



M. ALBO-piCTUs. Smith, Trans. Ent. Soc, 1876,/*. 477, 2)1. IV., /. 1. 



Female. Black, variegated with white lines and spots ; legs fer- 

 ruginous, black, and white. Head : orbits of the eyes white, inter- 

 rupted at the vertex ; the front below the antennae and the palpi 

 white; joints 8—12 of the antennse white, sometimes the thirteenth 

 also. Thorax : a line on each side of the prothorax, five large maculae 

 on the sides of the mesothorax . beneath the wings, a subquadrate one 

 on the sides of the metathorax, white ; a spot on the mesothorax 

 above, the scutellum and post-scutellum, and a large trilobate spot at 

 the apex of the metathorax, white ; wings hyaline, the nervures black. 

 Legs ferruginous ; the anterior tibiae swollen ; the anterior coxae white, 

 the intermediate pair sometimes more or less so, and also the posterior 

 tarsi, the base and apex of the latter black ; the tips of the posterior 

 femora and apical half of the posterior tibiae black. Abdomen : the 

 apical margin of all the segments white. 



Length, 5—7 lines. 



Male. This sex closely resembles the female, and has joints 

 13—19 of the antennae white. 



North Island. 



aenus-CRYPTUS. 



Fabricius. 



Antennae long, setaceous, the first joint broadly notched outside 

 or above. Legs rather long. Wing with the areole pentagonal or 

 sometimes almost quadrate. Abdomen broad in the females, long and 

 narrow in the males. Ovipositor about the length of the body. 



C. DECORATORius, Fttbricius, Syst. Ent., 1774, p. 333 ; Syst. Piez., 

 p. 78. 



Small. Antennae porrect, black. Body obscurely ferruginous ; 

 scutellum yellow ; the last segment of the abdomen with a black 

 fascia. Wings hyaline, yellowish. 



