USED IN ENTOMOLOGY. I i i 



Protocerebral segment: =: ocular segment; q. v. 

 Protocerebrum: the primitive anterior cerebral vesicle. 

 Protocosta: the thickened costal margin of Lepidopterous wings. 

 Protocranium: the posterior part of the epicranium : sometimes used as = 



occiput. 

 Protogonia: the apical angle of the primaries. 

 Protograph: an original description by a figure or picture made from the 



original type. 

 Proto-lepidoptera: proposed for those forms (EriocephaUda) in which lacinia 



and mandibles are obvious and the spiral tongue is not developed : see neo- 



lepidoptera and paleolepidoptera. 

 Protolog: the original description by words. 

 Protoloma: the anterior margin of primaries. 

 Protomesal: applied to certain areolets in Hymeiioptera, situated between 



costal cells and apical margin. 

 Prototergite: the foremost dorsal segment of abdomen. 

 Proto-thorax: := prothorax ; q. v. 



Prototype: a primitive form to which later forms can be traced. 

 Protractor: that which extends or lengthens out; applied to muscles. 

 Protuberance: any elevation above the surface. 



Protuberant: rising or produced above the surface or general level. 

 Proventriculus: the posterior portion of crop; the gizzard. 

 Proximad: toward the proximal end. 



Proximal: that part of an appendage nearest the body: see distal. 

 Prozona: in Orthoptcra, the upper or dorsal surface of prothorax in front of 



the principal sulcus. 

 Pruinose: hoary; as if covered v.'ith a fine frost or dust. 

 Pruinous-us: deep blue with a reddish tinge, like a plum [French blue + 



purple lake]. 

 Psammophilous: living in sandy places. 



Pselaphotheca: that part of the pupa which covers the palpi. 

 Pseudidolum: = nymph ; q. v. 

 Pseudimago: ^sub-imago; q. v. 



Pseud- or Pseudo-: as a prefix means false, spurious, or merely resembling. 

 Pseudo-cellula: = accessory cell; q. v. 

 Pseudo-chrysalis: the semi-pupa. 



Pseudo-ccel: a false hollow; a hollow which does not form a tube. 

 Pseudo-cone: a soft, gelatinous cone in the compound eye of some insects, 



replacing the crystalline cone of others. 

 Pseudo-elytra: -he aborted anterior wings of Strepsiptcra. 

 Pseudogyna fundatrix: in Aphids, is the immediate issue of a fecundated egg: 



a stem-mother. 

 Pseudogyna gemmans: in Aphids, are wingless descendants of the stem- 

 mother (fundatrix) or of the winged migrants (migrans) which reproduce 



asexually through a number of generations. 

 Pseudogyna migrans: in Aphids. the winged descendants of the stem-mother 



(fundatrix) through which the species is spread. 



