g the supra-alar groove toward
the root of the wing: Hymenoptera.

Alary: relating to the wings: applied also to the wing muscles of heart.

Alate -us: winged; with lobes similar to wings in appearance though
not necessarily in function.

Albi, albus: white.

Albicans: formed or made of white.

Albidus: white with dusky tinge.

Albinic: of the character of an albino.

Albinism: that condition in which there is an absence of color or a
whitening in a form usually colored.

Albino: a colorless individual of a species that is normally colored.

Albumen: the white of egg or the substances in the tissues which have
the same characteristics.

Albumin: the characteristic substance forming the white of egg.

Albuminoid: like or of the character of albumen.

Alimentary canal: the digestive tract as a whole; begins at the mouth
and extends through the body to the anus.

Alitrunk: that part of the thorax to which the wings are attached: in
many Hymenoptera, includes the 1st abdominal segment.

Alizarine: a transparent, orange red [alizar crimson].

Alleghanian faunal area: is that part of the transition zone comprising
the greater part of New England, s. e. Ontario, New York,
Pennsylvania, Michigan, Wisconsin, Minnesota, eastern N. Dakota, n.
e. S. Dakota, and the Alleghanies from Pennsylvania to Georgia.

Alligate -us: fastened or suspended by a thread;
like the chrysalis of Papilio, etc.

Alliogenesis: when the development includes an alternation of
generations (q.v.), as in Cynipids.

Alluring glands: glandular structures diffusing an odor supposed to be
attractive to the opposite sex.

Allux: next to the last joint of tarsus; in Rhynchophora.

Alpine zone: = arctic zone, q.v.

Alternation of generations: where a species that occurs in both sexes
periodically produces only parthenogenetic females; the latter, in
turn, producing the sexed form; occurs in Cynipidae and some
Homoptera: see heterogeny.

Altus: above: applied to a part raised above the usual level.

Alulae: Diptera; a pair of membranous scales above the halteres,
behind the root of the wing, one above or before the other; the
anterior attached to the wing and moving with it, the posterior
fastened to the thorax and stationary; see calyptra; squama;
squamula; lobulus; axillary lobe; aileron; scale; tegulae: Coleoptera;
a membranous appendage of the elytra which prevents dislocation.

Alulet: Diptera: the lobe at basal posterior part of