SCALE INSECTS (" COCCID^ ") OF AUSTRALIA. 



103 



Dactijlopius lobulatus, Maskell (Fig. 71). 

 Trans. N. Zealand Institute, vol. xxv, p. 91, pi. vi, figs. 1-3. 1893. 



The adult females are found under the scales of dry bark peeling off tli(! 

 trunks of several species of the white gums {Eucalypts). The type specimens 

 were found upon the stems of blue gums {E. globulus) growing in the 

 streets of Bendigo, Victoria. They were very plentiful at Uralla, New 

 South Wales, in July, on white gums, and apparently have a wide 

 range in the eastern States. Sometimes they are found on the stems of 

 small saplings covered over and protected by ants. 



Adult female yellowish brown 

 with the dorsal surface completely 

 covered with white woolly secretion, 

 forming distinct transverse bands 

 (marking the segmentation) ; nar- 

 rowest on the abdomen, produced 

 into an unbroken marginal fringe 

 right round the insect, irregular in 

 front, regular on the sides, and upon 

 the anal segment forming longer 

 blunt tails. Including the tails, 

 often measuring up to ^ of an inch 

 in length. General form, elongate 

 broadly oval, slightly convex above, 



with the segmentation well defined ; anal segment somewhat truncated with 

 four lobes ; anal ring with six hairs. Epidermis with many small circular 

 spinnerets . and fine spines, most numerous on the margins. Antennae 

 composed of eight joints, first one stout and thickened; feet long; femora 

 stout; trochanter bearing one long hair. 



Maskell gives the size as much smaller than that of the large series of 

 adult specimens I have had under observation. He says : " This insect 

 belongs to the series of D. adonidum and may be distinguished from that 

 species and from D. affinis chiefly by the proportion of the antennal joints, 

 and by the anal tubercles." 



489. Pseudococcus lobulatus. Cat. Cocciduc, p. 10. 



Fig. 71. — D.Ktylijpiiii lobulatus. 



Dactylopius longispinus, Targioni-Tozzetti. 



Mem. del Societa. Ital. di Scienze Nat., vol. iii, p. 113. 1867. 

 Newstead, Mon. British Coccidce, vol. ii, p. 167, pi. Ixiv, figs. 12-15. 1902. 

 Dactylopius adonidum, Signoret, Aim. Soc. Ent., France (5), vol. v, p. 306. 1875. 

 „ longifilis. Corns. Report U.S. Dep. Agric, 1880, p. 344, pi. xxviii, fig. 2. 



This is a common mealy bug of the hothouses of Europe ; it has been 

 widely distributed over most parts of the world with introduced plants. 

 Under all conditions of climate, it flourishes upon mango, fig, guava, crotons. 



