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The posterior portion of the remigium is sometimes called the clavus; the two other posterior fields are the anal and jugal areas. [ 1 ] : 41–42 When the vannal fold has the usual position anterior to the group of anal veins, the remigium contains the costal, subcostal, radial, medial, cubital, and postcubital veins.
Methana marginalis is a relatively large cockroach species, with adult specimens measuring approximately 27–28.5 mm (1.06–1.12 in). It is dark brown in colour, with a light yellow band around the edge of its body, yellow-brown coloured legs, and tegmen completely covering the abdomen.
An insect uses its digestive system to extract nutrients and other substances from the food it consumes. [3]Most of this food is ingested in the form of macromolecules and other complex substances (such as proteins, polysaccharides, fats, and nucleic acids) which must be broken down by catabolic reactions into smaller molecules (i.e. amino acids, simple sugars, etc.) before being used by cells ...
Hair-plates are proprioceptors [1] and provide information to the nervous system about the positional and movement state of the body and legs. Hair plate neurons come in two flavors, one that responds phasically (rapidly adapting) and another that responds tonically (slowly adapting) to transient or maintained deflections of the hairs.
Griffiniella heterogamia is a species of cockroach described by ... and dorsal abdomen of the species as brown. [3] Karny's 1908 description include the following ...
A cockroach's cells divide only once each molting cycle (which is weekly, for the juvenile German cockroach [68]). Since not all cockroaches would be molting at the same time, many would be unaffected by an acute burst of radiation, although lingering and more [ clarification needed ] acute radiation would still be harmful.
The electron-dense extracellular material is small and localized mainly to the junction between the cilia and the attachment cell. The femoral chordotonal organ is mononematic. In contrast, in the amphinematic form, the extracellular material of the cap forms a dense, tubular sheath that surrounds the sensory cilium and extends all the way to ...
The male is the most slender of the larger pale species in the genus. Its pronotum is relatively long for the genus. [4] It has fully developed tegmina and wings. [4] It has a specialization on the median and first dorsal abdominal segments: on the median segment are two subtriangular, rounded elevations with very heavy tuft of hairs, and a few scattered hairs on the rest of the segment; on ...