USED IN ENTOMOLOGY. 17 



H. 



Habit, or habitus, the port or aspect. ; used comparatively to 

 express a resemblance in general appearance, apart from more 

 important markings derived from organization. 



Habitation, or habitat, a situation or locality frequented by 

 insects. 



Halteres, the poisers, capitate moveable filaments, in the Dip- 

 tera, situated one on each side of the thorax, substituted for the 

 inferior wings, and often covered by the scale ; they are said 

 to be naked when destitute of the scale. 



Hamuli, minute hooks in Hymenoptera, situated on the anterior 

 margin of the under wing, they lay hold of the hind margin 

 of the upper wing. 



Hamus, a hooked process, covered with scales, situated under 

 the upper wings near the base, in the males of many of the 

 Lepidoptera, receiving a bristle (tendo) from the lower wing; 

 the hamus is never present in females. 



Hand, the manus. 



Hastate, halbert-shaped; resembling the head of a halbert; ex- 

 cavated at the base and sides, but with spreading lobes or 

 angles. 



Haustellum, the sucker; it is formed by the assemblage of in- 

 flexible setae, and inclosed in a rostellum or proboscis. See 

 lingula. 



Head, the anterior portion of the body, connected at base vyith 

 the anterior portion of the stethidium; it includes occiput, 

 face, gena, mouth, gula,jugulum, and antennae. 



Heels, the spinulas. 



Hemelytra, scales, generally coriaceous at base, and membrana- 

 ceous at tip, not divided by a straight suture, and substituted 

 for the anterior wings, as in the Orthoptera and Hemiptera. 

 See tegmina. 



Hemispheric, convex above and flat below, like the half of a 

 globe. 



Hepatic, liver-brown. 



Hexapode, having six feet, as in all true insects. 



Hirsute, rough with strong hairs ; shaggy. See pilous, villous, 

 tomentous. 



Hispid, bristly ; rough with stiff, short, sparse hairs. See stri- 

 gose. 



Hoary, covered with a fine white silvery substance or pubes- 

 cence. See pruinous. 



Homotene, retaining the primitive form ; referring to those arti- 



C 



