The corium is the thickened, leathery, basal portion of the forewing or hemelytron of an insect in the order Hemiptera, suborder Heteroptera. Specifically, the large anterior portion of the basal region is the corium.
The corium is the thickened, leathery, basal portion of the forewing or hemelytron of an insect in the order Hemiptera, suborder Heteroptera. Specifically, the large anterior portion of the basal region is the corium.
The forewings of winged heteropterans are modified into hemelytra (singular, hemelytron), in which the basal part is thickened and leathery and the apical part is membranous. The thickened region is divided into a large, anterior corium and much small, posterior clavus. However, entomologists commonly refer to the whole basal region of the wing as the corium. [1]
The membranous apical region typically has veins and the venation is of taxonomic importance. However, in some families, the distinction between the leathery and membranous regions of the hemelytra is not pronounced, and the wings tend to be more fully sclerotized (e.g., Pleidae) or more fully membranous (e.g., winged Gerridae). The hind wings are fully membranous and held beneath the hemelytra when at rest. In some groups, especially among aquatic heteropterans, adults of the same species, or different species in the same genus, may be fully-winged or brachypterous, micropterous, or apterous (having reduced wings or none at all). [2]
The Heteroptera are a group of about 40,000 species of insects in the order Hemiptera. They are sometimes called "true bugs", though that name more commonly refers to the Hemiptera as a whole. "Typical bugs" might be used as a more unequivocal alternative, since the heteropterans are most consistently and universally termed "bugs" among the Hemiptera. "Heteroptera" is Greek for "different wings": most species have forewings with both membranous and hardened portions ; members of the primitive sub-group Enicocephalomorpha have completely membranous wings.
An elytron is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra, and in most species only the basal half is thickened while the apex is membranous, but when they are entirely thickened the condition is referred to as "coleopteroid". An elytron is sometimes also referred to as a shard.
A tegmen designates the modified leathery front wing on an insect particularly in the orders Dermaptera (earwigs), Orthoptera, Mantodea, Phasmatodea and Blattodea (cockroaches).
Papilio alcmenor, the redbreast, is a species of swallowtail butterfly found in South Asia.
Discolampa ethion, the banded blue Pierrot, is a contrastingly marked butterfly found in South Asia that belongs to the blues or family Lycaenidae. The species was first described by John O. Westwood in 1851.
Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly. They are found on the second and third thoracic segments, and the two pairs are often referred to as the forewings and hindwings, respectively, though a few insects lack hindwings, even rudiments. The wings are strengthened by a number of longitudinal veins, which often have cross-connections that form closed "cells" in the membrane. The patterns resulting from the fusion and cross-connection of the wing veins are often diagnostic for different evolutionary lineages and can be used for identification to the family or even genus level in many orders of insects.
This glossary of entomology describes terms used in the formal study of insect species by entomologists.
Corium may refer to:
Miletus symethus, the great brownie, is a small butterfly found in India that belongs to the lycaenids or blues family. The species was first described by Pieter Cramer in 1777.
Parantirrhoea is a monotypic butterfly genus in the family Nymphalidae. Its only species, Parantirrhoea marshalli, the Tranvancore evening brown, is endemic to the Western Ghats of India. James Wood-Mason described this species from the specimens in the collection of G F L Marshall which were collected by Harold S. Ferguson who was director of the State Museum at Trivandrum. Little was known about the species in the wild until a population was discovered in the Periyar Tiger Reserve in 1993. Sightings of both sexes of this butterfly are reported in the southern region of the Western Ghats in 2002. In 2006, larvae were collected from an Etah jungle like habitat in Kallar-Ponmudi valley, a northerly extension of the Ashambu hills of southern Western Ghats. Caterpillars collected were reared in laboratory conditions. It is also known from Periyambadi in Kodagu.
Acytolepis puspa, the common hedge blue, is a small butterfly found in Cambodia, India, Myanmar, Thailand, Yunnan, Taiwan, Sri Lanka, Philippines, Borneo and New Guinea that belongs to the lycaenids or blues family. The species was first described by Thomas Horsfield in 1828.
The Indian fritillary is a species of butterfly of the nymphalid or brush-footed family. It is usually found from south and southeast Asia to Australia.
Gangara lebadea, commonly known as the banded redeye, is a species of hesperid butterfly found in Southeast Asia.
Apporasa is a genus of butterflies in the family Lycaenidae, the blues. The genus is monotypic containing only Apporasa atkinsoni, the crenulate oakblue. It is found in the Indomalayan realm.
The external morphology of Lepidoptera is the physiological structure of the bodies of insects belonging to the order Lepidoptera, also known as butterflies and moths. Lepidoptera are distinguished from other orders by the presence of scales on the external parts of the body and appendages, especially the wings. Butterflies and moths vary in size from microlepidoptera only a few millimetres long, to a wingspan of many inches such as the Atlas moth. Comprising over 160,000 described species, the Lepidoptera possess variations of the basic body structure which has evolved to gain advantages in adaptation and distribution.
Insect morphology is the study and description of the physical form of insects. The terminology used to describe insects is similar to that used for other arthropods due to their shared evolutionary history. Three physical features separate insects from other arthropods: they have a body divided into three regions, have three pairs of legs, and mouthparts located outside of the head capsule. It is this position of the mouthparts which divides them from their closest relatives, the non-insect hexapods, which includes Protura, Diplura, and Collembola.
Acraea anacreon, the (large) orange acraea, is a butterfly of the family Nymphalidae. It is found in Kwazulu-Natal and Transvaal and from Angola to Zimbabwe and to Kenya. Elsewhere in Africa and adjacent regions, "orange acraea" refers to the smaller A. eponina.
Dipteran morphology differs in some significant ways from the broader morphology of insects. The Diptera is a very large and diverse order of mostly small to medium-sized insects. They have prominent compound eyes on a mobile head, and one pair of functional, membraneous wings, which are attached to a complex mesothorax. The second pair of wings, on the metathorax, are reduced to halteres. The order's fundamental peculiarity is its remarkable specialization in terms of wing shape and the morpho-anatomical adaptation of the thorax – features which lend particular agility to its flying forms. The filiform, stylate or aristate antennae correlate with the Nematocera, Brachycera and Cyclorrhapha taxa respectively. It displays substantial morphological uniformity in lower taxa, especially at the level of genus or species. The configuration of integumental bristles is of fundamental importance in their taxonomy, as is wing venation. It displays a complete metamorphosis, or holometabolous development. The larvae are legless, and have head capsules with mandibulate mouthparts in the Nematocera. The larvae of "higher flies" (Brachycera) are however headless and wormlike, and display only three instars. Pupae are obtect in the Nematocera, or coarcate in Brachycera.
Euphaedra eleus, the Eleus orange forester, is a butterfly in the family Nymphalidae. It is found in Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Nigeria, Cameroon, Gabon, the Republic of the Congo, Angola, the Democratic Republic of the Congo and Uganda. The habitat consists of primary forests and secondary forests with a closed canopy.
Polystoechotites is an extinct parataxon of lacewings in the moth lacewing family Ithonidae. The taxon is a collective group for fossil polystechotid giant lacewing species whose genus affiliation is uncertain, but which are distinct enough to identify as segregate species. Polystoechotites species are known from Eocene fossils found in North America and is composed of four named species Polystoechotites barksdalae, Polystoechotites falcatus, Polystoechotites lewisi, and Polystoechotites piperatus, plus two unnamed species. Three of the described species are known from fossils recovered from the Eocene Okanagan Highlands of Washington State, while the fourth is from Colorado.
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