ENTOMOLOGICAL TERMS. IX 



Geniculated, bent, making an angle at the flexure. 

 Geometry, a division of the genus Phalama, with 



wings spreading horizontally when at rest. 

 Gibbous, thorax, the disc raised but not spherical. 

 Gregarious, living in society. 

 Guttated, dotted. 



H 



Halteres, poisers, two globular bodies placed on slender 

 stalks behind the wings, and seated on the thorax. 

 Confined to the insects of the order Diptera. 



Hastated, javelin-shaped. 



Haustellum, a sort of trunk at the mouth of the insect, 

 consisting of bristles, inclosed generally in a bivalve 

 sheath. 



Heliconii, a division of the genus Papilio, including 

 those with narrow, oblong, entire primary wings, 

 sometimes appearing deprived of scales ; the poste- 

 rior wings very short. 



Hemelytra, wings, either wholly or in part formed of 

 a substance intermediate between leather and mem- 

 brane. 



Hemiptera, derived from vj^ktv, half, and ittspov, a 

 wing. The second order of insects, including those 

 which have their upper wings for the most part half 

 crustaceous and half membranaceous, not divided, 

 as in the order Coleoptera, by a longitudinal suture, 

 but incumbent on each other, as in the Water-scor- 

 pion and Grasshopper. 



Hemispherical, body convex above, flat below, like the 

 segment of a globe. 



Hispid, elytra, antennae, &c. thickly covered with short 

 hairs. 



Hymenoptera, derived from zJjxijv, a membrane or pel- 

 licle, and Tttepov, a wing. The fifth order of in- 

 b3 



