14 The Philippine Journal of Science 1917 



Male scale elongate, glassy, divided into nine plates. The male 

 is rarely seen. 



Luzon, Tayabas, Lucban {Towrisend), on Gardenia or 

 Jasminnm. 



Saissetia nigra (Nietner). 



Saissetia nigra (Nietner) Fernald, Cat. Coccidae of the World 

 (1903), 204; Cockerell, Proc. Davenport Acad. Sci. (1905), 10, 

 130; Cockerell and Robinson, Bull. Am. Mus. Nat. Hist. (1915), 

 34, 427. 



Female long oval to broad ovate, low convex, shining black, 

 3 to 4 millimeters long; marginal hairs small, simple, and those 

 within the margin more or less divided; polygonal derm cells 

 (Plate II, fig. 19) ; antennae of seven joints, four the longest; 

 legs slender, claws with long digitules. 



"Male puparium transparent glassy; divided into nine plates, 

 of which two are central and seven marginal." (Green.) Male 

 with dark markings on thorax above. 



Luzon, Manila (Townsend), on Manihot utilissima; Laguna, 

 Los Baiios (Baker) , on Eriodendron anfractuosum and Withania 

 origanifolia. 



Saissetia hemisphasrica (Targioni Tozzetti). 



Saissetia hemisphxrica (Targioni Tozzetti) Fernald, Cat. Coccidae 

 of the World (1903), 202. 



Saissetia hemispherica (Targioni Tozzetti) Cockerell, Proc. Daven- 

 port Acad. Sci. (1905), 10, 130; Cockerell and Robinson, Bull. Am. 

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



Female insect hemispherical, ovate, highly convex, smooth 

 and shining, light to red-brown, carinae forming a letter H not 

 retained in the adult, 2.25 to 4-25 millimeters long, 1 to 2.75 

 millimeters wide, 1.5 to 2 millimeters high. Dermis with 

 numerous ovate, clear derm cells (Plate II, fig. 18) ; antennae 

 of eight joints, two, three, four, five, eight longest, six and 

 seven equal in length; legs stout and longer than antennae, 

 claws with digitules; the marginal hairs flattened at apices and 

 variously serrated, some simple; stigmatic spines all strong and 

 blunt, central one longest; numerous tubular spinnerets. 



Male scale narrow and elongated, carinate, divided into nine 

 plates, 1.25 millimeters long. Male reddish, without dark mark- 

 ings on thorax above. 



Luzon, Tayabas, Lucban (Townsend), on Cycas cirdnalis 

 and other cultivated plants; Laguna, Los Banos (Baker), on 

 Anonxi muricata and Calanthe. 



