GLOSSARY OF TERMS USED 



Anterior: In front of; before. 



Apex: That point furtherest removed from the base. 



Apical: At, near, or pertaining to the apex; usually of the wing. 



Areole: The cells of the tegmina or elytra and underwings. 



Arcuate: Bow-shaped; curved like a bowrzarquate. 



Callosities: Thick swollen lumps, harder than its srroundings; also 

 a rather flattened elevation not necessarily harder than the sur- 

 rounding tissue=callous; usuaUy occurring on the metopidium in 

 the Membracidae. 



Carina-ae: An elevated ridge or keel, not necessarily high or acute. 



Carinate: Having carinae; keeled. 



Castaneous: Chestnut brown; bright red-brown. 



Cell: Any space between or bounded by veins. 



Clavate: Club-shaped, thickened at tip. 



Clypeus: That portion of the head before or below the front, to 

 which the labrum is attached anteriorly. Morphologically, the 

 labrum. 



Coriaceous: Thick, tough, leather-like. 



Commissural : Connecting. 



Convergent: Approaching or drawing together. 



Convex: Opposed to concave; the outer curved surface of the pro- 

 thorax. 



Costa: The thickened anterior margin of any wing, but usually the 

 elytra or primaries. 



Costal Area: The area behind the costal vein. 



Costal Vein: Vein running close to and parallel with the costal or 

 outer margin, extending from base to the margin before the apex. 



Deflected: Abruptly bent downwards. 



Dilated: Expanded, widened, or enlarged. 



Disk: (disc) The central upper surface of any part; the central area. 



Discal Area: Relating to the disc of any surface or structure, 

 meaning the more central portion. 



Dorsal: Of or belonging to the upper surface. 



Dorsum: The upper surface. 



Ecology: The science of the interrelation of organisms to each other 

 and to their surroundings. 



Elytron: Singular of elytra; wing covers. 



Exterior : The outside. 



Ferruginous: Rusty red-brown. 



Flavous: Yellow, approaching sulphur. 



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