288 E. T. Atkisson — On the Etomopterous Family Coccidse. [No. 3, 



Subdivision Dactyloparia. 

 Dncfylopifes, Sign., A. S. E. F. (5 ser.) v, p. 305 (1875). 



This group contains those species in which the genital ring is 

 visible and has 6—8 hairs, and spinnerets secreting a cottony substance 

 that form a more or less truncated point at the anal extremity of the 

 abdomen between the abdominal filamentary processes of which two or 

 four are also present. On the tarsi and claw are digitules dilated at the 

 tip. 



1. Larval ? with antennae having 6- joints, adult 9 with 8 ; larval 

 S with 7 joints : four digitules : anal ring with six hairs : — Dactylopius, 

 Sign. [I. c. p. 30q. 



2. Larval ? with antennse having 6 joints, adult 9 with 9 ; larval 

 ^ with 7 joints ; only two digitules : — Pseudococcus Westw., Sign. [1. c. 

 p. 328 : Comstock, Rep. Dep. Agr. U. S. for 1880, p. 345J. 



3. Larval $ and adult $ with antennae having 6 joints ; larval 

 cf with 7 : tarsi without digitules : — Uipersia, Sign. [1. c. 335]. 



4. Larval ? with antennae having 6 joints ; adult $ and larval 

 $ with 8: lower lip very short, rostral filaments very short : — West- 

 woodia, Sign. [1. c. 337]. 



5. Extremity of abdomen with four filamentary processes, no 

 digitules :--OudahUs [Sign. 1. c. 338 ; B. S. E. F. (6 ser.) i, p. clvii, 

 1880: includes Boisduvalia, Sign.]. 



6. Eyes in ? prorainulous ; in cf there are twelve, of which four 

 are large, and eight ocelli : no digitules dilated at the tip : eight hairs 

 on the anal ring : two bristles on the halteres : antennae with nine 

 joints in $ , ten very long in cf * — Puto, Sign. [1. c. 341, and 395, includes 

 Putinia, Sign.]. 



7. To this may be added the genus Tetrura, Licht. [B. S. E. F» 

 (6 ser.) ii, p. Ixxv, 183] to contain G. ruhi, Schranck. 



Genus Dacttlopius, Costa, Sign. 



Faun. Regn. Nap. Gallins. p. 15 (1835) : Sign. A. S. E. F. (5 ser.) v, p. 306 

 1875 : [includes Diaprostocetus, Costa, olim]. 



Antennae of the larval ? with six joints ; of the larval ^ with 

 seven joints ; of the adult ? with eight joints : six hairs on the anal 

 ring at the extremity of the abdomen : two digitules on the tarsus and 

 two on the claw. 



Dacttlopius adonidum, Linn. 



Coccus adonidum, Linn., Syst. Nat. p. 740 (1767) : Geoffroy, Ins. i, p. 511 

 (1764) : Fabricius, Syst. Ent. p. 743 (1775) ; Spec. Ins. ii, p. 393 (1781) ; Mant. 

 lua. ii, p. 318 (1787) ; Eat. Syst. iv, p. 224 (1794) ; Syst. Rhyng. p. 307 (1803) ; 



