^ The Philippine Journal of Science 1917 



Uaveia luzonica Cockerell. 



Llaveia luzonica Cockerell, Bull. Am. Mus. Nat. Hist. (1914), 33, 334. 



Male about 6 millimeters long, wings about 6.5 long; anten- 

 nae reddish black, in the middle of the antennae are three nod- 

 ules to a joint, each bearing a whorl of long black bristles ; head 

 mostly yellowish flesh-color, dark above bases of antennae, occi- 

 pital margin dusky; thorax pale carneous, dorsal region shining 

 black, scutellum pale yellowish carneous, mesothorax black; 

 abdomen broad, pink, with eight hairy plumbeous tails not equal 

 in length to the diameter of the abdomen ; legs dark castaneous ; 

 wings ample, black, with two light lines; lobes or lappets at 

 the sides of the thorax anteriorly, extending from the occipital 

 region to a short distance before the wings. (From the original 

 description.) 



Luzon, Laguna, Mount Maquiling and Los Banos (Baker). 



DACTYLOPIIN^^ 



Genus PSETTDOCOCCUS Westwood 

 Type, Dactylopius longispinns Targioni Tozzetti. 



Female with a mealy secretion ; skin with spines and glands ; 

 legs and antennae well developed in the adult. 



Synoptic table of the species. 



a\ Female yellow after being boiled in KOH; tibia of hind leg three times 



as long as tarsus (Plate I, fig. 7) virgatus. 



d'. Not so; legs stout and short (Plate I, fig. 9). 



6\ Body crimson when boiled in KOH; pigment present especially in 



embryonic young tayabanus. 



b'. Body purple after being boiled in KOH lilacinus. 



b'. Body green when boiled in KOH filamentosus. 



Pseudococcus virgatus (Cockerell). 



Pseudococcus virgatus (COCKERELL) Fernald, Cat. Coccidae of the 

 World (1903), 111; Cockerell, Proc. Davenport Acad. Sci. (1905), 

 10, 130; Cockerell and Robinson, Bull. Am. Mus. Nat. Hist. (191-5), 

 34, 428. 



Female covered by a cottony secretion with many glassy 

 filaments; this occurs in matted areas, making it difficult to 

 determine the amount on one individual. Female distinctly 

 segmented, 4 to 5 millimeters long, broadly elongated. Legs 

 twice as long as antennae, hind tibia three times as long as 

 tarsus, claw slender, simple (Plate I, fig. 7) . Antennae 8-jointed, 

 joints two, three, and eight the longest, the other four subequal 

 (Plate I, fig. 6). Anal ring with six long, slender hairs; two 



