Farctus: fully filled.

Farinaceous: mealy: applied to powdery looking wings and surfaces.

Farinose: dotted with many single, flour-like spots: mealy.

Fascia: a transverse band or broad line; it is common when it crosses
both wings or wing covers.

Fasciate: banded transversely.

Fascicle -ulus: a bundle of hair, threads or fibres.

Fasciculate: bundled; clustered as in a bundle; tufted: a surface
when covered with bundles of long hair.

Fastigiate: flat-topped and of equal height: also applied to elytra that
extend a little beyond the abdomen.

Fastigium: Orthoptera; the extreme point or front of vertex.

Fat-body: is the mass of oil or fat cells found, especially in larvae,
surrounding the alimentary canal and some other internal organs.

Fatiscent: with cracks, crevices or openings.

Fauna: the assemblage of animals inhabiting a region or country.

Favose: with large deep holes, like the cells of a honeycomb.

Favus: a cell like that of a honeycomb.

Fecula: the excrement of insects.

Fecundation: the making fertile; as an egg by a spermatozooen.

Feeler: commonly applied to antennae; q.v.

Feelers: tactile organs: the term is usually applied to the
antennae, but sometimes to the palpi, as mouth-feelers.

Feet: the legs or organs of locomotion; one pair attached to each
thoracic segment; composed of coxa, trochanter, femur, tibia and
tarsus only; plural of foot; q.v.

Female: designated by "O+" the astronomical sign for Venus: that
sex in which the ova are developed. {Scanner's comment: The sign
for Venus being an orthogonal cross or plus sign hanging vertically
below a circle.}

Femina: the female, or belonging to that sex.

Femorate -us: with abnormal or unusually developed femora or
thighs.

Femoro-tibial: pertaining to both femur and tibia or to the articulation
between them.

Femur -ora: the thigh: usually the stoutest segment of the leg,
articulated to the body through trochanter and coxa and bearing the
tibia at its distal end: in Coccidae and quite commonly, the femur
and trochanter are considered as one, for measuring purposes.

Fenestra: a window; a transparent glassy spot or mark; a pellucid
mark in a vein: a small, pale, membranous area at the base of the
antenna in roaches.

Fenestrate: with transparent or window-like naked spots as in the
wings of some Lepidoptera.

Fenestrate membrane: of the compound eye is at the base of the
ommatidia, at their junction with t