278 



[November, 



insect was really referable to the Family ProctotrypidcB. On June 

 23rd another parasite emerged. This specimen was furnished with 

 ample wings, and is consequently the male. 



The discovery of this parasite adds another chapter to the already 

 remarkable life-history of the New Zealand luminous Dipteron. 



Wellington, New Zealand : 1892. 



NOTES ON SOME BRITISH AND EXOTIC C0CCII)2E (No. 24). 

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



LeCANIUM CAPREiE. 

 Coccus caprecE, Linn., S. N., ii, 741, 14 ; De Geer, M^m., vi, 440, 2, t. 28, figs. 13, 14 ; 



Modeer, Goth. Yet. Handl., i, 22, 

 15 ; Gmel., S. N., i, 2218, 14 ; 

 ? Fonscol., Ann. Soc. Ent. France, 

 iii, 213, 3. 

 Lecanium caprecB, Sign., Ess. Cochen., 



245, 20, pi. xi, fig. 14. 

 Coccus cyprcBola, Dalm , K. Yet. Acad. 

 Handl. for 1825, 367, 5, tab. ir, 

 figs. 13—15. 

 Coccus gibber, Dalm., id., 366, 4, t. iv, 



figs. 11, 12. 

 Lecanium salicis, Bouche, Stett. Ent. 

 Zeit., 1851, 112,3. 

 ? adult. Scale chestnut-brown, 

 sometimes lightly mottled with yel- 

 lowish, smooth, shining, large, high, 

 almost circular, highest and broadest anteriorly, but narrowed (at times constricted), 

 and more or less briefly produced posteriorly, very tumid, overlapping and clasping 

 half-round the small stem of the food-plant, nearly perpendicular in front, vertex 

 at times slightly gibbous, the curve thence forwards abrupt, backwards declivous ; 

 scarcely punctured above the margin ; anal cleft with parallel sides. Antennae 

 (fig. 1) stout, of six joints : the 1st short, with two hairs ; 2nd twice as long, with 

 one hair ; 3rd much longer than all the remainder together, constricted and narrower 

 near the apex, with two hairs at the constriction ; 4th to 6th short, equal ; 4th and 

 5th each with one hair; 6th with about six. Legs (fig. 2) stout, tibiae about one- 

 third longer than the tarsi, each with few short hairs ; digitules short, ordinary. 



Diameter and height, 6 mm. ; or length, 7 mm., breadth, 6 mm. ; height, 6 mm. 

 ^ scale grey-white, smooth, ordinary. 

 Larvee ordinary, yellow ; eyes piceous. 



Almost all the authors that have described the Linnean species 

 give some species of Saliic as the food-plant. Fonscolombe, however, 

 gives also as habitat, " Cytise des Alpes et sur I'Arbouzier," but it 



