Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

476Maggenti and Gardnerred-brown eye pigments of insects, produced by the oxidationof tryptophane.insect ovary types (ARTHRO: Insecta) There are three types ofovaries: 1. Panoistic. 2. Polytrophic meroistic. 3. Telotrophicmeroistic. see separate entries.insectoverdin n. [L. insectum, cut into; viridis, green] (AR-THRO: Insecta) A blue pigment (usually mesobiliverdin) incombination with carotenoids which produce the green coloringof insects. see green pigments.insect society (ARTHRO: Insecta) Strictly a colony of eusocialinsects.insect sociology (sociobiology) The study of populationcharacteristics related to social behavior in insects.insemination n. [L. inseminare, to sow] The introduction ofspermatozoa into the female reproductive tract. see semination.inserted a. [L. in, in; serere, to join] Joined by natural growth;a muscle attached to a movable part.insertion n. [L. in, in; serere, to join] 1. Movable end of amuscular attachment. 2. Translocation in genetics.insertion plate (MOLL: Polyplacophora) A narrow marginalextension of the articulamentum layer in the head and tailvalves and sides of the intermediate valves, projecting intothe girdle; lamina of insertion.insolation n. [L. in, into; sol, sun] Exposure to the rays of thesun.inspissate v. [L. in, into; spissus, thick, dense] To bringgreater consistency; to thicken.instar n. [L. instar, form] 1. An insect or nematode at a particularlarval period or stage between molts. 2. (ARTHRO:Insecta) Numbered to designate the various periods, i.e.,first instar, second instar, etc.; can be abbreviated 1°, 2°,3°. see stadium.instinct n. [L. instinctus, impulse] A usually invariable complexresponse natural to a species, independent of any previousexperience of the individual.intectate a. [L. in, not; tectum, roof] Lacking a tectum.