436 Transactions. — Zoology. 



37. Aleurodes limbata, Maskell, sp. nov. Plate XXXII.— 1. 

 Larva dark-brown, flat, elliptical ; length about yV"- 



Dorsum hairless. Margin crenulated, but without fringe. 



Pupa-case very dark-brown, or intense black, with the 

 marginal region lighter coloured ; form elliptical ; dorsum 

 convex ; abdominal segments indistinct ; length about g^in. 

 There appear to be no dorsal hairs, but there are two 

 spines, rather long, on the thoracic region. Marginal tubes 

 ending in large and conspicuous crenulations, from which 

 springs a very long fringe of white was ; the portion of the 

 fringe nearest the case is reticulated, or lace-like ; the outer 

 portion extended in long, slender, separate, wavy threads. 

 Vasiform orifice elongated, subconical, with nearly straight 

 anterior edge ; operculum about two-thirds as large ; lingula 

 not certainly observed, but probably very short, if not obso- 

 lete. The larval exuviae are commonly attached to the pupa- 

 case by the two long dorsal spines. 



Adult form unknown. 



Hab. In Australia. Specimens were sent by Mr. Froggatt 

 on Acocia loncji folia, from Sydney; and by Mr. C. Musson, 

 on Lciicojyogon junifjerimts, from Kurrajong Heights. 



The lace-like arrangement of the fringe and the attach- 

 ment of the larval exuvise to the pupa-case may be used 

 together to distinguish this species. 



38. Aleurodes lonicerae, Walker. Catal. of Homopt. in Brit. 

 Mus., 1851, p. 1092; Koch, Pflanzenliiuse, 1857, p. 327; 

 Prauenfeld, Verb, der Zool.-Bot. Gesellsch., Wien, 1867, 

 p. 796; Signoret, Ann. de la Soe. Ent. de France, Dec, 

 1867, p 381 ; Douglas, Ent. Mo. Mag., Feb., 1896, p. 31. 



39. Aleurodes melicyti, Maskell. Trans. N.Z. Inst., 1889, 

 vol. xxii., p. 174. 



Vasiform orifice elongate, subconical, anterior edge slightly 

 concave ; operculum subsemicircular, small ; lingula extending 

 a little beyond the operculum, subcylindrical, the median part 

 compressed, then rather dilated. 



The orifice and lingula approach those of A. riibicola, 

 Douglas (Ent. Mo. Mag., 1891, p. 322, fig. 5), but the pupa 

 differs considerably in many particulars. 



40. Aleurodes nicotianae, Maskell, sp. nov. Plate XXXII. — 2. 

 Larva pale-yellow, very thin, flat, subelliptical, with a de- 

 pression on each side on the thoracic region, the abdomen 

 tapering to the posterior extremity, where there are two rather 

 long seta? ; length about gyn. Dorsum hairless. Margin 

 not thickened, minutely crenulated ; there is no fringe, but a- 

 few scattered very fine marginal hairs. 



