364 Mr. F.P. Pascoe on some new Australian Longicornia. 
simplex. Mesosternum declive. Abdomen molle, apicem versus sensim 
angustius, elytris longius. 
The characters of this genus are in some respects very like those 
of Neostenus (Pascoe, Trans. Ent. Soc. ser. 2. iv. p. 91), the most 
essential differences being in the dilated, not cylindrical, third and 
fourth antennary joints, which, however, may possibly be only 
sexual, in the shortly angulated anterior acetabula with more ex- 
serted coxe, in the normal elytra, and especially in the produced pos- 
terior angles of the prothorax. The head also is more decidedly 
rostrate; and the abdomen is soft enough to contract in drying, 
but it evidently tapers a little from the base, and extends a whole 
segment at least beyond the elytra. Neostenus is a puzzling genus. 
Originally I placed it in the Prionidee, near Philus; and this was the 
position it occupied in M. Thomson’s ‘ Essai.’ In his ‘Systema’ 
they are both removed, Philus being referred to the “ Lepturitce 
vere,” close to Vesperus, and Neostenus finding a place almost imme- 
diately after Phoracantha, among the “ Eburitw,” and consequently 
in the Cerambycide. I am inclined to think that it will form a natural 
subfamily with Aposites, Lysestia, and probably Aphanasium*. 
Aposites macilentus. (Pl. XVI. fig. 6.) 
A. brunneus, obscure griseo pubescens. 
Hab. South Australia (Mr. Odewahn). 
Derm fulvous brown, somewhat shining, everywhere covered with a 
thin, short, greyish pubescence, except the antennze, which have a very 
minute, close-set, cloth-like pile, the basal joint excepted ; head deeply 
grooved between the tubers; prothorax with the pubescence scattered 
and irregular; scutellum rounded, except at the base; elytra closely 
punctured, each with four slightly elevated lines, the innermost shortly 
running into the suture, all disappearing towards the apex ; antenne a 
little longer than the body. Length 13 lines. 
LysEsTIA. 
Caput antice subelongatum, tuberibus antenniferis brevibus. Oculi medio- 
cres, subgrosse granulati, leviter emarginati. Zabrum et palpi ut in 
Aposite. Antenne corpore longiores, scapo oblongo-ovato, articulo 
tertio quartoque longioribus et subcylindricis, sequentibus compressis, 
apice (ultimo excepto) paulo lateraliter productis et subsequalibus, 
ultimo precedente longiore. Prothorax quadratus, lateribus inermis 
et subrotundatus, angulis posticis retractis. Elytra angustata, sutura 
* Syn. Solimnia, Pascoe, Trans. Ent. Soe. ser. 3. i. p. 557. Aphanasium (J. 
Thomson, ‘ Essai,’ &e., p. 300) was referred by its describer to the Prionid, where 
it escaped my notice until very recently. 
