Trichoptera

(Comst.); Trichoptera; one, two or three cells enclosed by the branches that form-the post-costal or anal vein: Odonata; an elongate cell between radius and cubitus, just before the arculus.

Explanation of Terms Used in Entomology John. B. Smith

Disk: the central upper surface of any part; all the area within a margin; the central area of a wing: in Trichoptera, the obliquely ridged outer surface of hind femur in saltatoria.

Explanation of Terms Used in Entomology John. B. Smith

Apical cells or cellules: Trichoptera; the series of cells along the outer margin of wing from pterostigma to arculus.

Explanation of Terms Used in Entomology John. B. Smith

Capillii: hairs of the head that form a cap as in certain Trichoptera and Tineid Lepidoptera.

Explanation of Terms Used in Entomology John. B. Smith

Heteropalpi: palpi with a different number of joints in male and female, as in some Trichoptera.

Explanation of Terms Used in Entomology John. B. Smith

Arculus: Odonata; a small cross vein between radius and cubitus near the base, leaving an elongate triangle between them: Trichoptera; a point, often hyaline, on the forewing where the cubitus (or post cubitus) runs into the margin: in Homoptera; a cross-veinlet nearly reaching posterior margin at same point as in Trichoptera: in other orders applied to a cross-vein in similar position, apparently giving rise to the median.

Explanation of Terms Used in Entomology John. B. Smith

CADDIS-FLY and CADDIS-WORM, the name given to insects with a superficial resemblance to moths, sometimes referred to the Neuroptera, sometimes to a special order, the Trichoptera, in allusion to the hairy clothing of the body and wings.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

Apart from this feature the Trichoptera also differ from the typical Neuroptera in the relatively simple, mostly longitudinal neuration of the wings, the absence or obsolescence of the mandibles and the semi-haustellate nature of the rest of the mouth-parts.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

The latter appellation is of course a misnomer, as these flies (_Trichoptera_) have nothing whatever to do with moths.

Amateur Fish Culture Charles Edward Walker

Discoidal area: the middle area or field: Trichoptera; that area of the tegmina between the posterior or anal and the anterior or costal areas

Explanation of Terms Used in Entomology John. B. Smith