Zoology.'] NATURAL HISTORY OF VICTORIA. [Insects. 



§ 1. Apterophasmina. Tegmina and wings absent in adults of 

 both sexes. 



§ 2. Pterophasmina. Tegmina and wings developed in both sexes, 

 or in males only. Tegmina (except in Phy Ilium) too small to 

 cover the wings, the anterior costal area of which is hard coriaceus, 

 thick and colored, and with parallel, immovable veins, the hinder 

 membranous part of the wing folding up longitudinally under it 

 when at rest, from its movable radiating veins. 



This beautiful species differs from T. Childreni in the less width 

 of the tegmina, and the longitudinal veins in front of the median 

 one being so small as scarcely to strike the eye, and in the less width 

 of the costal area, and of the dilated middle of posterior femora. 



One of the specimens figured was presented to the Museum by 

 Prof. Halford, from Beaconsfield, on the Dandenong Kange, the 

 others are from near Melbourne. Although varying half an inch 

 in absolute size, the proportional measurements given above are 

 the same in all. 



Explanation op Figures. 



Plates 69 & 70. — Fig. 2, female with wings extended, natural size. Fig. 3, another 

 specimen with wings closed, in the resting position, on a twig of Eucalyptus, to show the 

 resemblance between the leaves and the hard parts of the wings when at rest. 





Plates 69-70, Fig. 1. 



TROPIDODERUS RHODOMUS (McCoy). 

 The Red-shouldered Phasma. 



Description. — General form of T. iodomus but with longer wings, and with 

 broader tegmina, having the veins on the anterior half or side of the mid-line nearly 

 as strong as those below or on posterior side of it ; and the antennae are much 

 shorter and thicker ; and the serrated dilations of the two hinder pairs of femora 

 are much wider. Color: head, thorax, tegmina, femora and distal -fths of costal 

 area, above, bright pea-green ; basal -§ ths of costal area scarlet vermilion ; hyaline 

 wings pale-green with stronger green veins ; whole of under side of costal area 

 scarlet vermilion with pale-green veins ; tibise and tarsi brownish ; upper surface 

 of abdomen yellowish j sides and ovipositor green. Length from anterior part of 



[35] 



