164 D ACT FLOP EUS. 



SYNOPSIS OF SPECIES. 



A. Adult females active up to the period of par- 



turition. Margin of body with white waxen 

 appendages. 



a. Caudal appendages short. 



(l) . . . CITRT. 



b. Caudal appendages long. Cephalic appendages 



separated. 



(n) . . . LONGISPINUS. 



bb. Cephalic appendages not separated. 



(ill) .... WALKERI. 



B. Adult females more or less stationary. Margins of 



body without waxen appendages. 



a. Dermis with lineal squamose structures. 



(iv) .... HIBEENICUS. 



b. Dermis without squamose structures. 



(v) . . . PULVERARIUS. 



D. theobromde, Douglas, is not included in this table 

 for reasons stated hereafter. 



DACTYLOPIUS CITRI* (Risso). 

 (PL LXIV, figs. 1-11; PL LXVI, figs. 1-3.) 



Dorthesia citri, Risso ; Essai sur 1'histoire nat. des 



Grangers, etc., Paris (1813) ; Berlese, Le Coc- 



ciniglie Italiane, p. 7 (1893). 

 Coccus citriy Boisduval ; Essai sur 1'Ent. Horticole, 



p. 348, fig. 48 (1867). 

 Dactylopius citri (Boisd.), Signoret ; Essai, p. 346,, 



pi. vi, figs. 2 a, b, c (1875). 

 Dactylopius destructor, Comstock; Report,! 1880, 



p. 342, pi. xi, fig. 3 ; pi. xxii, fig. 2. 

 Dactylopius brevispinus (ex p.) (Targ.-Tozz., 1881) ; 



Berlese, 1. c. 



* See Appendix. 



f Published 22nd November, 1881. 



