XII, D,i Robinson: Coccidse of the Philippine Islands 13 



Platylecanium cribrigerum (Cockerell and Robinson). 



Neolecanium cribrigerum Cockerell and Robinson, Bull. Am. Mus. 



Nat. Hist. (1915), 34, 110. 

 Platylecanium cribrigerum, Cockerell and Robinson, Bull. Am. Mus. 



Nat. Hist. (1915), 34, 427. 



Female flat, broad oval, about 4.25 millimeters long, 3.55 

 millimeters broad, no waxy or glassy covering, rich red-brown. 

 Derm translucent brownish after boiling; posterior region with 

 large, scattered, glandular processes, each shaped like an ink 

 bottle and emitting a very short bristle (Plate II, fig. 17) ; 

 in the abdominal region are six large patches, which are more 

 strongly chitinized than the surrounding tissue and perforated 

 with a number of small round gland orifices (Plate II, fig. 14), 

 these patches are three on each side arranged in a semicircle 

 in the middle of which are the anal plates (Plate II, fig. 15). 

 Mouth very small. Antennae rudimentary, without joints (Plate 

 II, fig. 16) . No legs. Margin with a few, very minute, simple 

 bristles. Anal plates triangular, rounded at the ends, anal 

 ring appearing moniliform. 



Luzon, Laguna, Los Baiios (Baker) , on Piper loheri. 



Genus SAISSETIA Deplanches 

 Type, Lecanium hemisphsericum Targioni Tozzetti. 

 Adult female high convex or hemispherical, hard when mature ; 

 skin with cell-like markings; legs and antennae developed. 



Synoptic table of the species. 



a\ Female usually black; distinctly carinate; the ridges H-shaped olese. 



a\ Not so; adults without carinse. 



b\ Female approaching black; irregular polygonal derm areas (Plate 



II, fig. 19) nigra. 



b\ Female brown; smaller; very convex; oval gland orifices (Plate II, 

 fig. 18) hemisphserica. 



Saissetia olese (Bernard). 



Saissetia olex (Bernard) Fernald, Cat. Coccidae of the World 

 (1903), 205; Cockerell, Proc. Davenport Acad. Sci. (1905), 10, 130. 



Adult female short ovate, high convex, carinae forming a 

 letter H, brownish black, shiny, rugose, 2.5 to 4 millimeters long, 

 1.5 to 3 millimeters wide, 1.5 to 2.5 millimeters high. Derm 

 cells elongate, each inclosed in an irregular polygonal tessella- 

 tion; antennae of eight joints, three longest, six and seven 

 shortest ; legs little longer than antennae ; numerous small tubular 

 spinnerets ; three stigmatic spines, central one longest ; marginal 

 spines "simple or flattened at apex. 



