West Australian Coccid^. 459 



with very small spinnerets and multiocular pores, which are more 

 numerous near the anal region. 

 On Acacia, Geraldton,W. A. 



55. Lccanium hcmisphcricum, Targ.-Tozz. 

 On ferns, Perth, W. A. 



56. Lccanium hcspcriclum, Linn. 

 On several plants, including tlie fig. 

 57 Lccanium frcnchii, var. macroxamix; var. nov. (Plate 



XV, figs. 40, 40 a, b.) 

 Adult 9 elliptical, slightly convex, margin of dorsum almost 

 black, medium region red-browu. Fringe white. Length 0-13 inch. 

 After eg-laying the dorsum becomes quite black and extremely 

 chitinoits! The marginal region exhibits the many radiating 

 channels and tessellations of the type. The fringe consists of 

 transparent, stalked appendages, which are widest at their middle 

 and have the apex rounded ; they originate from circular orifices. 

 Antenna, cvlindrical Avith 6 joints, of these 1, 2, 4, 5, are sub-equal, 

 3 about three times the length of 2, 6 tapering about twice the 

 length of 5 ; sequence 3, 6 (1, 2, 4, 5). Spiracular spines slender and 

 swollen at the apex ; the central the longest, and reaching a little 

 beyond the margin. Cleft represented by a deep narrow incision, 

 the sides of which are parallel, and the posterior contour of the body 

 unbroken. Anal tube conspicuous, striated. 



Immature ? yellow, elliptical and flat ; larger than when mature, 

 measuring 0-16-0-19 inch in length. Dorsum with regular reticulate 



^^Larva oval, with cleft, lobes and anal tube similar to adult. 

 Lencnh 0-25 inch. There are several single spines opposite each 

 spirlcle and a conspicuous one on either side of the cleft 



Antenna, of 6 joints, long and slender and similar to the adult. 

 Legs slender. Fringe wanting. ■, a- ^ a,.A 



S puparium waxy, white, transparent, with two longitudinal and 

 many radiating carina.. Pupa red. 



On 3facrozccmia fmzcri, Swan River. This insect 

 seemed to differ very much from the type as regards the 

 ioints of the antenufe, but as it agrees so closely m ail 

 other features I have thought it preferable to regard it as 

 a variety. 



58. Lccanium olcx, Bern. 

 On many cultivated and garden plants, very common on 



