26. 



phosphorescent, lucid; emitting light in the dark. 



Phryganidce, a family of Neuroptera, the larvae live in tube-like eases in water. 



piceus, pitchy; the color of pitch. 



plaza, (Fabr.) compressed maxilla with longligula; biting and sncking mouth, 



in Hymenoptera. 



pilosus, pilifer, piligerus, having long sparse hairs. See hirsutns. crinitns. 



pinnatijM, with winged clefts. 



Pinnatus, when stiff hairs or thorny processes occupy the side or sides of a thin 

 shank. 



pistadnus, green with yellow or brown. 



plaga, =area. 



plane, a level or rectilinear surface, destitute of elevations or depressions: a curv- 

 ed surface cannot be plane because it is not rectilinear. See equal. 



planta, the basal joint of the tarsus of the posterior pairs of feet in Hymenoptera, 

 often elongated or dilated, containing scapula. See palma. -Use used 

 for the underside of the last tarsi in other insects. 



pleura, the side of the stethidium, between the thorax and pectus, (in coleoptera 

 covered by the elytra.) 



Plica, a fold on the body of caterpillars, or on the wings of insects. 



plicatus, plaited; folded like a fan, (wings of Ortkoptera). 



plumatus, plumosus, feathered; with fine hairs on each side so as to resemble a 

 feather. See pennaceus. 



plumbeus, pale, blue grey, like lead. 



podotheca, covering of the legs in pupae. 



jMisers, the halteres in the Diptera, a capitate movable filament on each side, sub- 

 stituted for the inferior wings. 



politus, polished, shining smooth. 



p)ollex, thumb, the strong immovable thorn at the inside of the tip of tibiae. 



poUicaius, (a part) with an immovable blunt thorn at the sides. 



poUiniferus', formed for collecting the pollen of plants as in many of the Hymen- 

 optera. 



pollinosus, covered with yellow dust, as some Lixus. 



polymorphous, undergoing metamorphoses; applied to those articulated animals 

 with feet that undergo a metamorphose, either partial or total. See ho- 

 motene. 



polyphagous, eating a variety of food, 



pone, behind; pone medium, behind the middle. 



porcatus, marked with raised longitudinal lines, and broad intervals. 



porosns, with little holes on the surface. 



porrectus, streched out; prominent; elongated forwards, as head in Garabidae. 



post, (prefix) behind. 



posterior angle, of the wing, is the junction of the posterior edge with the interior 

 edge; of the thorax, is the lateral angle near the base of the elytra. 



pjosterior edge, the boundary of the posterior margin. 



posterior margin, of the wing, extends on the hind part of the wings from the apex 

 to the posterior angle. See inner margin. 



posterior wings, the inferior wings. 



