314 u ul y. 



ascending to more elevated positions to look out. They continued 

 thus for two or three days, afterwards becoming more sluggish, and 

 finally disappearing altogether. In the beginning of October I over- 

 hauled the contents of the cage, and found the ants, then reduced to 

 seven, huddled together in the nest, and showing few signs of vitality. 



Worcester : June, 1889. 



NOTES ON SOME BRITISH AND EXOTIC COCCIBM (No. 14). 

 BY J. W. DOUGLAS, F.E.S. 



Dactylopitts ADONIDUM. 

 Coccus adonidum (Linn. ?), nee Oeoffr., nee Burm. 



Dactylopius adonidum, Sign., Ess. Cochen., 340, i, pi. xvi, figs. 1, la— Id; Comst., 

 Report for 1880, p. 341, pi. xi, figs. 1— Id. 



Dactylopius longispinus, Targ.-Tozz., Studii s. Coccin. (1867), pi. i, figs- 1 — 5. 



6*. Dingy yellow-brown, head, thorax^, antennre and legs fuscous; antennse of 

 ten joints, set with fine, short, projecting hairs ; 1st joint short, stout ; 2nd longer, 

 stouter, bulbous ; 3rd longest of all, thinner, nearly cylindrical, tapering downwards ; 

 10th nearly or quite as long, fusiform ; 8th and 9th shorter, subequal ; 4th to 7th 

 still shorter. Wings long, broad, dark smoky-grey, iridescent. Halteres yellowish, 

 long, with a recurved terminal seta. Two anal filaments long, white. Legs long ; 

 tarsi broad, pubescent, digitules fine, short, the terminal knob very small ; claw 

 long and slender. Length, 1 mm. ; exp. of wings, 2'5 mm. 



? adult. Long-oval, dingy yellowish or livid, but appearing white by reason 

 of a close covering of fine mealy powder ; segments distinctly visible, on the upper- 

 side of those of the thorax with several deep punctures, those of the abdomen 

 deeply incised at their divisions, their surfaces thus becoming prominent, and the 

 covering powder appears in larger granules ; on the middle of the body longitudi- 

 nally is a broad, brown or livid band-like shade, usually depressed. All round the 

 exterior margin of the body is a fringe of long, distinct, narrow, setaceous pro- 

 jections, pointing obliquely backwards, eacli tapering to a long point, fourteen on 

 each side, exclusive of four at the extremity, much longer and very fine, of which 

 the outer pair are about three-fourths the length of the body, the inner pair twice 

 as long (or more) as the outer, all covered with white powder. In the ultimate 

 stage, just before the eggs are laid, the lateral projections are wider apart, and shorter, 

 and stand out nearly at a right angle ; the caudal filaments are also shorter, the 

 shortening in both cases being caused by abrasion. Legs long ; tibiae twice as long 

 as the tarsi ; claw stout, long ; digitules thin, terminal knob small. 



Length, 3 — 3| mm. ; breadth, 2 mm. 



Larva in both sexes of like form to the adult female, but smaller, yellower, and 

 having the lateral and caudal seta? relatively, and sometimes absolutely, longer. 

 The males have seven joints in the antenna;, the females only six. 



In the il Fauna Succica," 1st ed., p. 341, No. 1169 (1746), Linne quotes a pre- 



