Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

870Maggenti and Gardnersubgenital plate (ARTHRO: Insecta) A platelike sternite thatunderlies the genitalia, usually in the 9th abdominal sternumin males, and 7th or 8th in females; in some ichneumonidHymenoptera, the 7th sternite in males, the 6th infemales; vulvar lamina.subgenual organ (ARTHRO: Insecta) A cordotonal organ situatedin the proximal part of the tibia; when a two-part organ,the one more proximal is known as the "true subgenualorgan."subgenus n.; pl. subgenera [L. sub, under; genus, tribe] Thename of an optional category between the genus and species;capitalized and placed in parentheses following thegenus name.subhepatic carina (ARTHRO: Crustacea) In Decapoda, a narrowridge extending posteriorly from the branchiostegalspine.subhepatic region (ARTHRO: Crustacea) In Decapoda, thatpart on the ventral surface of the carapace below the hepaticregion, bounded by the pterygostomial and suborbitalregions.subimago n. [L. sub, under; imago, image] (ARTHRO: Insecta)In Ephemeroptera, the first of two winged instars after itemerges from the water surface, or underwater. subimaginala.subjective synonym Two or more synonyms based on differenttypes, but recognized as referring to the same taxon bytaxonomists who hold them to be synonyms.subliminal a. [L. sub, under; limen, threshold] A stimulus insufficientor inadequate to illicit a perceptible response. seeliminal.sublingual gland see pharyngeal gland, ventralsublittoral, sublittoral zone 1. A lake bottom too deep forrooted plants to grow. 2. In oceans, a zone from the intertidalzone to the end of the continental shelf.submalleate a. [L. sub, under; malleus, hammer] (ROTIF) Amodified malleate mastax.submargin n. [L. sub, under; margo, margin] (MOLL: Bivalvia)