Pectoral. Pertaining to the breast or sternum. 



Pcdicellus. The minute second joint of the antenna; and apical of the 



scape. 



Pellucid. (Of nervures) seinitranspareut, ill-defined. 

 Petiole. The narrow basal half of the first abdominal segment; peduncle ; 



pedicle. 



Phytophagous. Plant-feeding. 



Pilose. Hairy; hairs longer than in pubescent, shorter than in hirsute. 

 Piceonx. Pitchy, dark brown ; between fuscous and black. 

 Pleura. The lateral surfaces of the thorax ; those of the prothorax are the 



propleuras, &c. 



Plicate. Furnished with a fold. 

 Plumbeous. Lead-colour. 



Postannellus. The fourth joint of the antenme and second of the flagellum. 

 PostseiiteUum.Tbe small rounded prominence between the scutellum. and 



metanotum. 



Prothorax. The first and front section of the thorax. 

 Pubescence. Very short, fine hairs, causing a downy appearance. 

 Pubescent. Bearing pubescence. 

 Pulvillus.Tbe pad between the tarsal claws. 

 Punctate. Covered with punctures, small circular pits. 

 Punctulatc. Covered with fine, often subobsolete punctures. 

 Pygidium. The apical dorsal segment of the abdomen. 

 Pyriform. Pear-shaped. 



Quadrate. Square . 



Radius. The radial nervure ; the old authors used it for the costa of the 



fore wings. 



Radix. Base of the wings, and their point of insertion. 

 Ramtllus. The ramellus of Thomson is the nervelet (q.v.) of Stephens. 

 Reflexed. Bent backwards ; upturned. 

 Reniform. Kidney-shaped. 



Reticulate. Covered with a network, like the human skin. 

 Rityose. Irregularly and roughly wrinkled. 

 Rugulose. Irregularly but not roughly wrinkled. 



Scabrous. Eegularly and somewhat roughly wrinkled. 



Scabriculous. Eegularly and finely wrinkled. 



Scape. The basal antennal joint ; used collectively for the two basal joints, 



of which the pedicellus is very small. 

 Scapula. A small, dense tuft of hair. 

 Scrobes. The usually circular impressions upon the frons in which the scapes 



revolve. 



Scutellum. The usually triangular, raised area at the base of the thorax. 

 Scutum. The mesonotum. 

 Segments. The articulations of the abdomen ; not used of the antennae and 



legs. 

 Sericeouf. --With recumbent silky pubescence. 



