458 THE COCCIDAE 



line and one-half length of second. Antigua, British West 

 Indies, Java, Mauritius, Mexico on Malvaviscus, Prunus, Vitis... 



tesserata Charm. 



cc. Pygidium without plates on each lateris, plates inconspicuous, 

 arranged 0, 1, 1-2, 0; median pair of lobes largest, usually 

 hroadly rounded, sometimes slight mesal and lateral notches; 

 second and third pairs of lobes similar in shape, second pair 

 larger than third, rounded at distal end, prominent lateral 

 notch, slightly inclined caudad; each lateris with several 

 sharp-pointed processes; paraphyses six in number, mesal and 

 second pairs subequal, cephalic end of each enlarged, knob- 

 like, third pair located cephalad of third pair of lobes, incon- 

 spicuous; oraceratubae arranged in longitudinal rows; setae 

 long, increasing in length, 'cephalad. Ceylon on Oreodoxa, 

 Acalypha. oreodoxae Ruth. 



SPECIES OF PARTARGIONIA 



Head with cephalic indentation; transverse constriction between meso- 

 thorax and metathorax, first and second abdominal segments, third 

 and fourth abdominal segments, fifth segment and pygidium; pygi- 

 dium with four pairs of tooth-like lobes; small setae between second 

 and third, third and fourth pairs of lobes, and on each lateris; trans- 

 verse thickening near middle of pygidium and with two projections 

 on cephalic side. India on Artocarpus artocarpi Green. 



SPECIES OF PARROTTIA 



Pygidium with three pairs of lobes, third pair small and tooth-like; 

 paraphyses two in number, associated with second incisurae; anal 

 opening on line drawn through third pair of lobes, and one on each 

 lateris. India on Grislea. moorei Green 



SPECIES OF NEOMORGANIA 



a. Pygidium wilh distal end of median pair of lobes serrate, oblique, 

 proximal ends adjacent, distal ends distant, projecting but little 

 beyond pygidial margin, other lobes obsolete; each lateris with three 

 indentations, each with an oraceratuba; mesospiracerores 15, meta- 

 spiracerores 10; plates a single one on each lateris adjacent to 

 median lobe. New South Wales, Tasmania on Eucalyptus, Acacia, 



Hakea. acaciae Morgan. 



aa. Pygidium with median pair of lobes with distal ends entire; dorsal 

 oraceratubae minute and limited to pygidium. 



b. Pygidium with median pair of lobes distinctly separated, oblique, 

 entire; second and third pairs of lobes represented by mere 

 teeth; each lateris with setae nearly as long as median pair of 

 lobes; spiracerores apparently wanting. Australia on Eucal- 

 yptus, Casuarina. eucalypti Mask. 



bb. Pygidium with median pair of lobes contiguous along mesal mar- 

 gin, oblique exteriorly, giving appearance of single mesal area or 

 lobe. Australia on Acacia. junctiloba Marl. 



