Longicornia of Australia and Tasmania. 193 
57. Symphyletes variolosus, Pase. ?. 
Journ. Ent., 1., p. 340. 
Roebuck Bay (Walker). One example. 
58. Platyomopsis reqularis, sp. n. 
Pube grisescente et brunneo-ferruginea obtecta, maculis duabus 
pronoti macula elytrorum utrinque et maculis postice brunneo- 
ferrugineis sat distinctis ; elytris dimidio antico seriatim sat regu- 
lariterque tuberculatis. Long. 17, lat. 7°5 mm. 
Hab. Roebuck Bay, North-west Australia (Walker). 
One female example. 
Each elytron bears five distinct rows of tubercles, each row 
consisting of an unbroken series extending from the base up to, or 
a little beyond, the middle. The tubercles of the three inner, or 
dorsal, rows are larger and more acute, and distinctly conical in 
form, those of the two outer rows are smaller and more closely 
approximated to each other. External to and close to the outer 
series there is a short row of three or four small tubercles, while 
there are also a few small tubercles along the lateral margin. A 
large and distinct conical tubercle is placed just above the outer 
margin ata short distance behind the base. The elytra are seen 
to be punctured between the dorsal rows of tubercles; they are 
truncate at the apex, with the outer angles briefly mucronate. 
This species may be distinguished from P. obliqua, 
Donoy., by the more distinct antero-lateral and the 
feebler dorsal tubercles of the prothorax, and especially 
by the stronger and more regular tuberculation of the 
basal half of the elytra, and the distinct tubercle close 
to each of the antero-lateral angles. The colour of the 
pubescence is also somewhat different. A rather light 
grey predominates on the upper portion of the head, the 
anterior part of the prothorax, the apical portion of the 
elytra, and along the whole of the medio-ventral surface. 
The rest is of a rather dark rust-colour, with two spots 
on the pronotum, a spot on each side of the elytra, and 
a few spots posteriorly, somewhat darker and tolerably 
distinct. 
PrentHEA, Casteln. 
Lacordaire has fallen into a remarkable error with 
regard to the sexual differences that are to be observed 
in the species of this genus. One of the characters of 
