ly-blows: eggs or young maggots of flesh flies: meat is fly-blown
when such eggs or larvae have been deposited on it.

Flying-hairs: very long slender surface hairs set in punctures.

Foetid glands: glandular structures from which a foul smelling liquid
may be ejected.

Foliaceous: leaf-like, or resembling a leaf.

Folioles: leaf-like processes from a margin or protuberance.

Follicle: = cocoon, q.v.: a cellular sac or tube, as of a gland or ovary.

Folliculate: enclosed in a case, cocoon or follicle.

Food reservoir: Lepidoptera, a blind sac or diverticulum from the bind
part of oesophagus lying in abdomen dorsal to the stomach.

Foot: the tarsus, q.v.; improperly used to = leg; but in the plural form
refers to legs rather than tarsi: see feet.

Foot-shield: in caterpillars, the chitinous plate on outer side of
abdominal feet.

Foot-stalk: of the maxilla, is the stipes.

Foramen: an opening in the body wall for the passage of a vessel or
nerve: any opening at an apex: the opening of a cocoon.

Foramen magnum; the opening on the posterior surface of the head to
give passage to those structures that extend from head to thorax
occipital foramen.

Foramina: small openings in the body wall: in Orthoptera, the
auditory organs on the anterior tibiae.

Forceps: hook or pincer-like processes terminating the abdomen, like
specialized appendages of ear-wigs: similar processes in the male,
used as clasping organs in copulation.

Forcipate: bearing forceps or similar structures.

Forcipiform: having the form of forceps or pincers.

Fore: anterior.

Foregut: extends from the mouth to the end of gizzard; its epithelium
being formed from the ectodermal invagination known as the
stomodaeum.

Forehead: in Mallophaga, the head in front of the mandibles and
antennae.

Fore-intestine: =foregut, q.v.

Forficate: = forcipate, q.v.

Forks: Trichoptera; forks of veins in apical part of wing,
numbered 1, 2, 3, etc.

Form: applied to representatives of a species which differ from the
normal or type, in some uniform character; it is seasonal if it occurs
at a period different from the type; dimorphic if there is an alternation
of generations or two color patterns occur; or sexual if the members of
one sex differ uniformly from those of the other.

Formic: of, pertaining to or derived from ants.

Formicary: an ant's nest or ant-hill.

Fornicate: arched or vaulted: concave within, convex without.

Fossa -ae: =