| 词条 | Caenocoris nerii |
| 释义 |
| name = Caenocoris nerii | image = Lygaeidae - Caenocoris nerii.JPG | image_width = 250px | image_caption = Caenocoris nerii, upperside | image2 = Oleander Bug (16444877511).jpg | image2_width = 250px | image2_caption = Side view | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Hemiptera | familia = Lygaeidae | subfamilia = Lygaeinae | genus = Caenocoris | species = C. nerii | binomial = Caenocoris nerii | binomial_authority = (Germar, 1847) }}Caenocoris nerii, common name oleander seedbug, is a species of ground bugs in the insect family Lygaeidae.[1] EtymologyThe species name nerii refers to the main host plant Nerium oleander. DistributionThis species is present in part of Europe (Albania, Bulgaria, Cyprus, France, Greece, Italy and Spain), in the Afrotropical realm and in the Oriental ecozone.[2][3][4] DescriptionCaenocoris nerii can reach a length of about {{convert|7.5|-|9.5|mm}}.[5] The female is larger than the male. Bodies are elongated. The basic color of the body is black, with red markings. Two red quadrangular patches are present on the head. Two red markings appear on the shoulders of pronotum and at the inner margins of the hemielytra, which only partially cover the membranous blackish wings. Scutellum and abdomen are completely red.[6][7]BiologyFemales usually lay eggs on the leaves of Nerium oleander (hence the common name of the species). All stages of nymphs suck almost exclusively the milky juice of the main host plant (Nerium oleander), but they may also feed on Asclepiadaceae species.[6] Nynphs overwinter. Adults normally feed on the Oleander's fruits and seed.[8] These aposematic bugs are usually rejected by predators because of their toxins derived from the host plant.[9][10] References1. ^[https://www.biolib.cz/en/taxon/id71641/ Biolib] 2. ^Fauna europaea 3. ^[https://www.inaturalist.org/taxa/424562-Caenocoris-nerii Inaturalist] 4. ^Lygaeoidea 5. ^Jean-Claude Stretto, Gérard Labonne, Gérard Duvallet, François Dusoulier [https://www.researchgate.net/publication/287319098_Caenocoris_nerii_Germar_1847_a_la_conquete_de_la_France_mediterraneenne_Hemiptera_Heteroptera_Lygaeidae Caenocoris nerii (Germar, 1847) à la conquête de la France méditerranéenne (Hemiptera Heteroptera Lygaeidae)] 6. ^1 Carl W. Schaefer,Antonio Ricardo [https://books.google.it/books?id=00jRBQAAQBAJ&pg=PA218&lpg=PA218&dq=caenocoris+nerii&source=bl&ots=bO14NkRv3O&sig=4eSFkZpuYZfLODc97893Objg-Ck&hl=it&sa=X&ved=0ahUKEwiJyLTksp_UAhWLOxQKHRfwAB84FBDoAQg8MAM#v=onepage&q=caenocoris%20nerii&f=false Heteroptera of Economic Importance] 7. ^Animalandia {{es}} 8. ^DL Evans [https://www.jstor.org/stable/3565830?seq=1#page_scan_tab_contents Cardenolides in the Defense of Caenocoris nerii (Hemiptera)] 9. ^S. Bettini [https://books.google.it/books?id=VHPqCAAAQBAJ&pg=PA505&lpg=PA505&dq=caenocoris+nerii&source=bl&ots=_MVRa3JGkx&sig=uK8A_i87RNTQ-8v4fGas-3ZGVqo&hl=it&sa=X&ved=0ahUKEwi3g-GA5J7UAhVFSBQKHWX5Aks4FBDoAQgxMAE#v=onepage&q=caenocoris%20nerii&f=false Arthropod Venoms] 10. ^Euw, J. von. Reichstein, T. Rothschild, M. Heart poisons (cardiac glycosides) in the lygaeid bugs Caenocoris nerii and Spilostethus pandurus (1971) United States Department of Agriculture - National Agricultural Library
External links
2 : Lygaeidae|Hemiptera of Europe |
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