136 AMERICAN ENTOMOLOGY. 



Favose, honeycomb-like ; with lai-ge deep holes like the cells of 



a honeycomb. See scrobiculate. 

 Feelers, the palpi. 

 Feet, six organs of motion situated beneath the body; consisting of 



apophysis, femur, tibia, maims, tarsus, plantus, and palma. 

 Femur, the thigh, or third joint of the feet. 

 Fenestrate, applied to the naked hyaline spots on the wings of 



many of the Lepidoptera. 

 Ferruginous, the color of the oxide of iron ; brown approaching 



yellow. 

 Filate, (antenn3e)"simple, without a lateral hair or dilatation ; this 



word is used in the order Diptera. 

 Filiform, thread-shaped j slender and of equal thickness. See 



setaceous, clavate. 

 Filose, ending in a thread-like process. 

 Fimbria, thick ciliated hairs at the termination of the abdomen ; 



conspicuous in the genus Andrena. See scopa, fiocculus. 

 Fimbriated, fringed. 

 Fissile, cloven ; divided into parallel lamellse, as in the antennae 



of Scarabseus, and the wings of the Alucitadse. See lamellate 

 Fissure, a crevice ; a narrow solution of continuity. 

 Fistular, hollow ; applied to a hollow cylinder. 

 Flabelliform, fan-shaped. 

 Flaccid, limber ; feeble ; lax. 

 Flagellum, the terminal portion of the antennae situated beyond 



the pedicellus ; the apex. 

 Flavo-virens, green verging upon yellow. 

 Flexuous, zig-zag without acute angles ; seems to differ from 



undulated in being alternately bent and nearly straight. 

 Flocculus, a hairy or bristly appendage of the posterior apophysis 



in a few of the Hymenoptera. See fimbria. 

 Fluviatile, inhabiting rivers, as the larvae of many insects. 

 Foliaceous, resembling a leaf. 



Follicle, a cocoon ; the covering formed by the larva for protec- 

 tion in its pupa state. 

 Forceps, two or more hooks or processes, sometimes branched 



on the inner side, with which the male grasps the anus of the 



female ', they constitute part of the j^cnis. 

 Forcipated, formed somewhat like a pair of pincers. 



