ELASMUCHA GRISEA PDF

Analyse data Interactive map View records. Females of the parent bug Elasmucha grisea L. Cimex grisea Linnaeus, [1]. Parent bug Elasmucha griseaupperside Front view Scientific classification Kingdom: In fact this species overwinters as an adult.

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Analyse data Interactive map View records. Females of the parent bug Elasmucha grisea L. Cimex grisea Linnaeus, [1]. Parent bug Elasmucha griseaupperside Front view Scientific classification Kingdom: In fact this species overwinters as an adult.

After oviposition, the parent bug female stands over the egg batch and shields it throughout egg development. Close mobile search navigation Article navigation.

The second generation clutches contain fewer eggs and are destroyed days after oviposition by predators ggrisea parasitoids. File:Elasmucha grisea Parent bug , Arnhem, the Netherlands — — Wikipedia grieea We manipulated clutch size by removing small and large females from their own eggs and giving them another clutch.

View list of all occurrence records for this taxon [counting] records View map of all occurrence records for this taxon [counting] records. The average number of ovarioles per ovary is 24 while in the other investigated species the number of ovarioles per ovary is By using this site, you agree to the Terms of Use and Privacy Policy.

Considering that the older nymphs are more mobile and may escape from predators, some offspring of the parasited females of the parent bug probably survive and may also be potential hosts for the new generation of the parasite.

You do not currently have access to this article. Elasmucha grisea BerkenwantsArnhem, Nederland. Finally, larvae form smaller groups and disperse at the end of the third instar, at which point the female leaves them. Sign in via your Institution Sign in. Predators, such as grises, beetles, earwigs and ants, can eliminate all the offspring of the parent bug if there is no maternal care.

Antennas are blackish in the male, dark brown in the female. Testes size increases with sperm competition risk and intensity in bony fish and sharks. First generation egg clusters of Elasmucha grisea are more closely guarded than second generation clusters.

Commons is a freely licensed media file repository. Views Read Edit View history. Email alerts New issue alert. Compiled distribution map provided by [data resource not known]. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

Compiled distribution map Compiled distribution map provided by [data resource not known]. Sign In Forgot password? A comparative analysis of the ovary structure during the life cycle, particularly the presence of atresive ovarian follicles in the ovarioles of egg- and nymph guarding females, as well as the shape and structure of the apical part of the tropharium all support the hypothesis of cooperation between females in E.

Receive alerts when new records are added. Subspecies within Elasmucha grisea include: Lateral oviducts are elongated and the ovarioles are arranged in a pennate pattern. Catalogue of the Heteroptera of the Palaearctic Region. Each ovariole contains only one growing ovarian follicle. If you originally registered with a username please use that to sign in. After hatching, larvae of the parent bug remain in a tight aggregation, feeding on their empty egg shells. Information from its description page there is shown below.

Parent bug Home UK Species Elasmucha grisea: Under such circumstances, the female is no longer able to provide effective protection for all her larvae. This article is also available for rental through DeepDyve. This page was last edited on grisra Augustat Predation is the main mortality factor affecting offspring numbersin this species.

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Parent bugs - Elasmucha grisea

This species, like other parent bugs possess methatoracic and abdominal glands, which discharge a foul smelling secretion. The tachinid fly, Subclytia rotundiventris elasmuchx, is a specialist endoparasite of the parent bug females. Sign In or Create an Account. The ovaries of this species are structured to enhance this behavior. The ovary structure in the studied species differs from that found in other Heteroptera.

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ELASMUCHA GRISEA PDF

Description[ edit ] Elasmucha grisea can reach a length of 6. Males are smaller than females. These medium-sized shieldbugs are usually brown-reddish, but there are also gray hence the Latin species name grisea and green-brown specimen. Connexivum is black and white. The upperside is covered with several dark dots. The scutellum usually shows an evident black patch. Lateral corners of the pronotum are simply beveled.

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