prothoracic

Epipleural: the deflexed or inflexed portions of the elytra, immediately beneath the edge: the inflexed portions of the pronotum are sometimes called prothoracic epipleura: as generally used, the term is incorrectly applied to the entire bent under margin of the elytra.

Explanation of Terms Used in Entomology John. B. Smith

Insect molting is controlled by a hormone produced by a gland THE HUMAN BRAIN located in the forward portion of the thorax and therefore called the prothoracic gland.

The Human Brain Asimov, Isaac 1963

Wings were curved backwards, articulated, and probably used for underwater rowing; prothoracic winglets were fused with protergum.

No Longer Sleeping in Seattle - The Panda's Thumb 2009

Osmaterium - ia: fleshy, tubular, eversible processes producing a penetrating odor, capable of being projected through a slit in the prothoracic segment of certain Papilionid caterpillars, and from openings elsewhere in the bodies of other forms.

Explanation of Terms Used in Entomology John. B. Smith

Maggot of House-fly (_Musca domestica_), _a_, side-view, magnified 5 times; _b_, prothoracic spiracle; _c_, feeler;

The Life-Story of Insects 1902

The prothoracic ring, or segment just behind the head, is transversely oblong, being twice as broad as long; there is a pale dorsal corneous transversely oblong shield, being about two-thirds as long as wide, and nearly as long as the four succeeding segments; this plate is smooth, except on the posterior half, which is rough, with the front edge irregular and not extending far down the sides.

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses 1872

The head is one-half as wide as the prothoracic ring, being rather large.

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses 1872

The segments are inclined to be of unequal size, the prothoracic ring sometimes becoming almost obsolete, and some of the abdominal rings are much smaller than others; while in Lipura and Anura, the lowest forms of the group, the segments are all much alike in size.

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses 1872

The prothoracic segment is broader and flatter, and the rough portion of the dorsal plates is larger and less tranversely ovate.

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses 1872

Other Mantidae, of the genus Gongylus, have the anterior part of the thorax dilated and coloured either white, pink, or purple; and they so closely resemble flowers that, according to Mr. Wood-Mason, one of them, having a bright violet-blue prothoracic shield, was found in Pegu by a botanist, and was for a moment mistaken by him for a flower.

Darwinism (1889) Alfred Russel Wallace 1868