THE TEUMS USED IX EXTOMOLOGY. 319 



Uhiosk, amongst elms. 



Utfibfl/ijcris, on unibcllifcrous plants in hedges and wood sides. 

 IIAL'rEllES (see p. i}7), poisers, in the Order of Diptcra; two globu- 

 lar bodies placed on slender stalks behind the wings, and seated 

 on the thorax; sometimes they are an arched membranaceous 

 sc;ilc. 

 IIA^IULI. These are very minute hooks or crotchets, discoverable 

 under, a good magnifier, on the inferior wings of many Ilymeno- 

 pterous insects, by means of which they are kept steady in flying. 

 — Kirl>i/. 

 Hast ATA, a javelin-shaped mark that is triangular; the base and sides 



hollowed, the posterior angles spreading horizontally. 

 IIAUS'i'ELLUM, a sort of trunk at the mouth of insects, principally 

 of the Dipfera, consisting of setse, which are either inclosed in a 

 bivalve sheath or without one. 

 Head. See Cahvt. 



IlrMr-LYTRA, wings either wholly or in part formed of a substance in- 

 termediate between leather and membrane. 

 IIexapoda iiisccta, having six feet, jis in all genuine insects. 

 HvAEiXA, wings, elytra, &c. quite transparent. 

 IMAGO, the perfect insect after having gone through the states of 



La7va and Pupa. 

 ImbPvIcatus, set with scales, lying over each other like the tiles of a 



house. 

 IxsTiTA, a stria of equal breadth throughout. 

 Lahrum. (See p. 'lH.) 



LARVA, caterpillar, grub or maggot; the insect as it comes from the 

 egg, slow, sterile, and voracious. 

 Cuudaia, with a tiiil or horn, as in most of the Sphingida. 

 Gregaria, those larvai that live in society, many of them inclosed in 



a web. 

 Nuda, naked, not hairy. 

 Polyphagu, that will eat a variety of plants. 



Subcntanea, small caterpillars that feed within the substance of the 

 ^ leaf. 

 LiNEA,, a line, the twelt tii part of an inch. 

 LINGUA, the Tongue. (See p. 29.) 



lieplkatUu, the point capable of being turned back. 

 Spiralis, capable of being rolled up like the spring of a watch be- 

 t\veen the palpi. {PL iO.fig. 9.) 

 Litura, a spot of a deeper colour in one parttlian another. 

 Lunula, a spot shaped like a new moon. 



MACULA^ a S|;ot, larger than punctuni, of an indeterminate tlgure, 

 and of a different colour from the ground. (/-"/. lo. fg- B. It.) 



