TRIBE PAELATOBIINAE 251 



second pair of lobes broader and longer than first pair, 

 distal end bluntly rounded, mesal and lateral margins 

 crenulate; third pair of lobes smaller with mesal and 

 lateral notches; pectinae slightly longer than lobes, 

 those of median incisura approaching latapectinae in 

 form, others distapectinae; genacerores (4-4)7-7. 

 Borneo on Gnetum. hastata Lindgr. 



ff. Pygidium of adult female with median pair of lobes as 

 broad as or broader than second pair, their distal ends 

 broadly rounded, never pointed. 



g. Scale of adult female circular or oval, never twice as 

 long as wide. 



h. Scale of adult female pinkish-grey and finely 

 punctate, exuviae dark brown to blackish brown; 

 genacerores (10-11)10-11. Australia on Dryandra. 



dryandrae Fuller. 



hh. Scale of adult female orange-yellow, sometimes 

 tinged with green, exuviae yellowish, darker than 

 excretionary portion; lobes comparatively nar- 

 row, subconical, bluntly pointed, with more or 

 less distinct mesal and lateral notches; pectinae 

 broad and deeply toothed; altaceratubae 19, one 

 mesal and nine on each side; anus located midway 

 between vulva and caudal margin; spiracerores 

 wanting; genacerores (5-7)4-7. North America, 

 South America, Europe, northern Africa, Aus- 

 tralia, Japan, China, Ceylon, Hawaiian Islands on 

 Selenipedium, Vanda, Macrosamia, Pinus, Myrtes, 

 Citrus, Camellia, Cymbidium, Pyrus, apple, date- 

 palm. proteus Curtis. 



gg. Scale of adult female elongate with subparallel sides, 

 more than twice as long as wide, brownish fulvous, 

 exuviae yellow; lobes comparatively narrow, dis- 

 tant, distal end bluntly pointed, with mesal and lat- 

 eral notches; fourth pair of lobes sometimes repre- 

 sented by rudiment; pectinae of median, second, and 

 third incisurae narrow, others wide; spiracerores 

 wanting ; genacerores ( 6-6 ) 5-5 ; brevaceratubae nu- 

 merous; altaceratubae distinct, one mesal and nine 

 on each side; anus located midway between vulva 



and caudal margin. Ceylon on Psychotria 



mytilaspiformis Green. 



cc. Pygidium apparently with only two groups of genacerores, 

 pregenacerores and postgenacerores forming continuous group 

 on each side, limits indicated by constrictions near middle; 

 scale of adult female elongate, ovate, rounded behind, whitish 

 to brown, first exuvia brown, second exuvia veridian green; 

 lobes with distinct mesal and lateral notches, constricted at 

 proximal end; pectinae narrow; genacerores 23-26. West Aus- 

 tralia on Pittosporum. viridis Fuller. 



