36 
RECORDS OF THE AUSTRALIAN MUSEUM. 
Genus Tropidoderus, G. Gray. 
Tropidoderus decipiens, sp. nov . 
(Plate x., Figs. 1, 2, 3 and 4.) 
$ Measurements (in millimeters) : Length from base of an- 
tennae to tip of abdomen, excluding ovipositor and anal styles, 
130*5; expanse of wings, 172; length of head, 7*6; antennae, 
24*4 ; pro-notum, 6*7 ; meso-notum, 14*3 ; meta-notum, 9*2 ; 
abdomen, 90*6 ; anal styles, 6*5 ; ovipositor, 27*4 ; anterior 
femora, 32*5; median femora, 23*8 ; hind femora, 28*5 ; tegmina, 
43*6 ; greatest width of abdomen, 13*5 ; anterior femora, 3*2 ; 
median femora, 6*8 ; anterior femora, 8*2 ; tegmina, 18*3 ; wing, 
63*1. 
Head, antennae, legs, ovipositor and anal styles, green. 
Pro-notum arched, moderately granulated above and below ; 
meso- and meta-notum keeled in the median line and laterally ; 
the median keel of the former only finely serrated, but the lateral 
keels of both more strongly so ; these two latter are also more 
profusely granulated on superior and inferior surfaces than the 
pro-notum ; meta-notum purple laterally ; at the base of the latter 
there is also a median patch suffused with the same colour. 
Abdomen keeled above and laterally; superior surface and 
sides of a pinkish colour with the exception of the lateral keels, 
which are green ; inferior surface green, profusely granulated. 
Ovipositor boat-shaped, bright green, extending slightly beyond 
tip of abdomen, strongly but finely granulated, keeled below. 
Tegmina elongate, ovate, keeled ; the one on the right bright 
green above and below, that on the left bright green on the outer 
half of the superior surface, including the base and tip of the 
inner portion, the remainder creamy white. 
Wings. — Costal area of each wing purple at the base, from 
thence to about one-third the length, there is a pale green patch 
sharply rounded off at its ultimate extremity ; the remainder 
of the costal area above and below, bright green ; the hyaline 
membrane nearly colourless, or with a slight greenish hue ; veins 
palish pea-green. 
Legs simple ; median pair hollowed out at base to receive the 
head ; the femora of median and hind pairs flattened out to re- 
semble foliage, their edges strongly serrated ; meta-tarsi and tarsi 
brownish. 
Hah. Gordon. 
This beautiful insect, which so strongly similates the foliage of 
plants, is a typical example of Australian Phasmidse. It will be 
noticed in reading the above detailed description that there is a 
striking difference in the colouration of the tegmina, the one on 
