USED IN ENTOMOLOGY. 1 07 



Post-vertical cephalic bristles: in Dipt era, are in the middle of upper part of 



occiput. 

 Pouch: in Trichoptera, a depressed, usually longitudinal area in a wing. 

 Prae- or Pre-: anterior to; before. 

 Praebrachial: a longitudinal vein in middle of an Ephemerid wing; usually 



forked : no. 6 of some systems. 

 Przecostal spur: a false vein in costal angle at base of secondaries. 

 PrcB-dorsum : = prophragma ; q. v. 

 Pra^-labrum: in Dipiera, ^ clypeus ; q. v. 

 Praeocular: before the eyes. 

 Prceputium: the external membranous covering of penis: specifically a 



spherical musciil^ir mass at base of penis in some Orthoptera. 

 Prae-scutellum: a sclerite, rarely present, between the meso-scutum and meso- 



scutellum. 

 Prae-scutum: the first of the four divisions of the notum of the thoracic 



rings. 

 Prae-subterminal: preceding the s. t. line in Lepidoptera. 

 Prae-terga: the anterior thoracic scutes in coleopterous larvae. 

 Prae-tornal: preceding the tornus (q. v.) in Lepidoptera. 

 Prasinus: grass-green [apple green]. 



-Pratinicolous: frequenting or living in grassy meadows or bogs. 

 Pre-alar callus: a small swelling or projection before the root of wings, 



just back of outer ends of transverse suture, in Diptera. 

 Pre-anal: above or before the anal opening. 

 Pre-anal plate or lamina: = supra-anal plate; q. v. 

 Pre-antennal: anterior to or before the antenna. 

 Pre-apical: before the apex. 

 Pre-balancer: = pre-halter ; q. v. 

 Pre-basilar: before the base. 

 Precocious stages: generally applied to all stages of development from the 



fertilized egg to the pupa. 

 Precurrent: continuous; entire; complete; said of a vein. 

 Predaceous: applied to insects that live by preying upon other organisms. 

 Predatory: = predaceous ; q. v. 

 Pre-eruciform: before the caterpillar stage: specifically applied to the early 



larvje of some Proctytrypidce. 

 Preformation: the doctrine of growth or development from already existing 



rudiments ; opposed to epigenesis ; q. v. 

 Pre-furca: " the stem vein in front of a fork, that reaches back to where itself 



forks from another vein " ; Diptera. 

 Pregenicular: in Orthoptera, that portion of femur proximad the knee. 

 Pregenicular annulus: a more or less conspicuous color ring on the caudal 



femora proximad the knee in Orthoptera. 

 Pre-halter: a membranous scale in front of the true haltere of a fly. 

 Prehension: structures fitted for grasping or holding. 

 Pre-mandibular: situated in front of the mandible: applied to a temporary 



segment of the embryo: ^intercalary segment. 



