Preimaginal vitellogenic development and repeated autogeny in Culex pusillus (Diptera: Culicidae) from Egypt
Autogenous ovarian development was investigated in pupal and adult stages of Culex pusillus Macquart from Egypt. Vitellogenesis was initiated synchronously in 90% of 1-d-old pupae, and primary follicles of all pupae reached stages III and IV 1 d later. All adult females oviposited their initial auto...
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| Veröffentlicht in: | Journal of medical entomology 1995-05, Vol.32 (3), p.384-386 |
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| container_title | Journal of medical entomology |
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| creator | Gad, A.M. (Ain Shams University, Cairo, Egypt.) Hassan, A.N Farid, H.A |
| description | Autogenous ovarian development was investigated in pupal and adult stages of Culex pusillus Macquart from Egypt. Vitellogenesis was initiated synchronously in 90% of 1-d-old pupae, and primary follicles of all pupae reached stages III and IV 1 d later. All adult females oviposited their initial autogenous egg batches within 1-4 d after emergence. Females were capable of ovipositing up to four successive autogenous egg batches. The expression of repeated autogeny was confirmed by the presence of an equivalent number of dilatations and the concurrent existence of mature primary follicles and maturing secondary follicles in the same ovarioles. In addition, the total fecundity of 33% of the females that oviposited repeatedly exceeded the ovariole number of the two ovaries. This species failed to ingest a blood meal when offered a variety of hosts. Therefore, Cx. pusillus from Egypt expressed autogenous ovarian development throughout life, a characteristic apparently unique among the genus Culex |
| doi_str_mv | 10.1093/jmedent/32.3.384 |
| format | Article |
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(Ain Shams University, Cairo, Egypt.) ; Hassan, A.N ; Farid, H.A</creator><creatorcontrib>Gad, A.M. (Ain Shams University, Cairo, Egypt.) ; Hassan, A.N ; Farid, H.A</creatorcontrib><description>Autogenous ovarian development was investigated in pupal and adult stages of Culex pusillus Macquart from Egypt. Vitellogenesis was initiated synchronously in 90% of 1-d-old pupae, and primary follicles of all pupae reached stages III and IV 1 d later. All adult females oviposited their initial autogenous egg batches within 1-4 d after emergence. Females were capable of ovipositing up to four successive autogenous egg batches. The expression of repeated autogeny was confirmed by the presence of an equivalent number of dilatations and the concurrent existence of mature primary follicles and maturing secondary follicles in the same ovarioles. In addition, the total fecundity of 33% of the females that oviposited repeatedly exceeded the ovariole number of the two ovaries. This species failed to ingest a blood meal when offered a variety of hosts. Therefore, Cx. pusillus from Egypt expressed autogenous ovarian development throughout life, a characteristic apparently unique among the genus Culex</description><identifier>ISSN: 0022-2585</identifier><identifier>EISSN: 1938-2928</identifier><identifier>DOI: 10.1093/jmedent/32.3.384</identifier><identifier>PMID: 7616532</identifier><identifier>CODEN: JMENA6</identifier><language>eng</language><publisher>Lanham, MD: Entomological Society of America</publisher><subject>Animals ; Biological and medical sciences ; Brackish ; CULEX ; Culex - physiology ; Culicidae ; Diptera ; EGIPTO ; Egypt ; EGYPTE ; ETAPAS DEL DESARROLLO ANIMAL ; Female ; Fertility ; Freshwater ; Fundamental and applied biological sciences. Psychology ; Insecta ; Invertebrates ; Life cycle. Embryology. Development ; OOGENESIS ; OVAIRE ; OVARIOS ; Oviposition - physiology ; OVOGENESE ; Physiology. Development ; PUPAS ; PUPE ; REPRODUCCION ; REPRODUCTION ; STADE DE DEVELOPPEMENT ANIMAL ; Vitellogenesis - physiology</subject><ispartof>Journal of medical entomology, 1995-05, Vol.32 (3), p.384-386</ispartof><rights>1995 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3563985$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7616532$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gad, A.M. (Ain Shams University, Cairo, Egypt.)</creatorcontrib><creatorcontrib>Hassan, A.N</creatorcontrib><creatorcontrib>Farid, H.A</creatorcontrib><title>Preimaginal vitellogenic development and repeated autogeny in Culex pusillus (Diptera: Culicidae) from Egypt</title><title>Journal of medical entomology</title><addtitle>J Med Entomol</addtitle><description>Autogenous ovarian development was investigated in pupal and adult stages of Culex pusillus Macquart from Egypt. Vitellogenesis was initiated synchronously in 90% of 1-d-old pupae, and primary follicles of all pupae reached stages III and IV 1 d later. All adult females oviposited their initial autogenous egg batches within 1-4 d after emergence. Females were capable of ovipositing up to four successive autogenous egg batches. The expression of repeated autogeny was confirmed by the presence of an equivalent number of dilatations and the concurrent existence of mature primary follicles and maturing secondary follicles in the same ovarioles. In addition, the total fecundity of 33% of the females that oviposited repeatedly exceeded the ovariole number of the two ovaries. This species failed to ingest a blood meal when offered a variety of hosts. Therefore, Cx. pusillus from Egypt expressed autogenous ovarian development throughout life, a characteristic apparently unique among the genus Culex</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Brackish</subject><subject>CULEX</subject><subject>Culex - physiology</subject><subject>Culicidae</subject><subject>Diptera</subject><subject>EGIPTO</subject><subject>Egypt</subject><subject>EGYPTE</subject><subject>ETAPAS DEL DESARROLLO ANIMAL</subject><subject>Female</subject><subject>Fertility</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Insecta</subject><subject>Invertebrates</subject><subject>Life cycle. Embryology. Development</subject><subject>OOGENESIS</subject><subject>OVAIRE</subject><subject>OVARIOS</subject><subject>Oviposition - physiology</subject><subject>OVOGENESE</subject><subject>Physiology. Development</subject><subject>PUPAS</subject><subject>PUPE</subject><subject>REPRODUCCION</subject><subject>REPRODUCTION</subject><subject>STADE DE DEVELOPPEMENT ANIMAL</subject><subject>Vitellogenesis - physiology</subject><issn>0022-2585</issn><issn>1938-2928</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUuLFDEUhYMoYzu6F0HIQkQX1ZNXpZLZSTs-YEBBZx1up241GVIPk6rB_vem6WK2ri7hfOeQew8hrznbcmbl1X2PLQ7zlRRbuZVGPSEbbqWphBXmKdkwJkQlalM_Jy9yvmeMGa7sBbloNNe1FBsSfyYMPRzCAJE-hBljHA84BE9bfMA4Tn2JpzC0NOGEMGNLYZlPyJGGge6WiH_ptOQQ45Lph89hmjHB9UkIPrSAH2mXxp7eHI7T_JI86yBmfLXOS3L35eb37lt1--Pr992n28pLoecKLFrAPVemDK-E4p5rCYL5DhQXnnmta272vmGs4YaX116iZJIVX1dreUnen3OnNP5ZMM-uD9mX1WDAccmuaRRraq3-C3LdGGUVLyA7gz6NOSfs3JTK2dLRceZOTbi1CSeFk640USxv1-xlX7RHw3r6or9bdcgeYpdg8CE_YrLsYU1dsDdnrIPRwSEV5O6XrWtTfib_AVsUm6M</recordid><startdate>19950501</startdate><enddate>19950501</enddate><creator>Gad, A.M. (Ain Shams University, Cairo, Egypt.)</creator><creator>Hassan, A.N</creator><creator>Farid, H.A</creator><general>Entomological Society of America</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SS</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7X8</scope></search><sort><creationdate>19950501</creationdate><title>Preimaginal vitellogenic development and repeated autogeny in Culex pusillus (Diptera: Culicidae) from Egypt</title><author>Gad, A.M. (Ain Shams University, Cairo, Egypt.) ; Hassan, A.N ; Farid, H.A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c326t-a9e9aeb1489aec4241c163a20cfa412c0c66518bc7007181665b3e3030e9af563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Brackish</topic><topic>CULEX</topic><topic>Culex - physiology</topic><topic>Culicidae</topic><topic>Diptera</topic><topic>EGIPTO</topic><topic>Egypt</topic><topic>EGYPTE</topic><topic>ETAPAS DEL DESARROLLO ANIMAL</topic><topic>Female</topic><topic>Fertility</topic><topic>Freshwater</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Insecta</topic><topic>Invertebrates</topic><topic>Life cycle. Embryology. 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(Ain Shams University, Cairo, Egypt.)</creatorcontrib><creatorcontrib>Hassan, A.N</creatorcontrib><creatorcontrib>Farid, H.A</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Entomology Abstracts (Full archive)</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of medical entomology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gad, A.M. (Ain Shams University, Cairo, Egypt.)</au><au>Hassan, A.N</au><au>Farid, H.A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preimaginal vitellogenic development and repeated autogeny in Culex pusillus (Diptera: Culicidae) from Egypt</atitle><jtitle>Journal of medical entomology</jtitle><addtitle>J Med Entomol</addtitle><date>1995-05-01</date><risdate>1995</risdate><volume>32</volume><issue>3</issue><spage>384</spage><epage>386</epage><pages>384-386</pages><issn>0022-2585</issn><eissn>1938-2928</eissn><coden>JMENA6</coden><abstract>Autogenous ovarian development was investigated in pupal and adult stages of Culex pusillus Macquart from Egypt. Vitellogenesis was initiated synchronously in 90% of 1-d-old pupae, and primary follicles of all pupae reached stages III and IV 1 d later. All adult females oviposited their initial autogenous egg batches within 1-4 d after emergence. Females were capable of ovipositing up to four successive autogenous egg batches. The expression of repeated autogeny was confirmed by the presence of an equivalent number of dilatations and the concurrent existence of mature primary follicles and maturing secondary follicles in the same ovarioles. In addition, the total fecundity of 33% of the females that oviposited repeatedly exceeded the ovariole number of the two ovaries. This species failed to ingest a blood meal when offered a variety of hosts. Therefore, Cx. pusillus from Egypt expressed autogenous ovarian development throughout life, a characteristic apparently unique among the genus Culex</abstract><cop>Lanham, MD</cop><pub>Entomological Society of America</pub><pmid>7616532</pmid><doi>10.1093/jmedent/32.3.384</doi><tpages>3</tpages></addata></record> |
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| ispartof | Journal of medical entomology, 1995-05, Vol.32 (3), p.384-386 |
| issn | 0022-2585 1938-2928 |
| language | eng |
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| source | MEDLINE; Oxford University Press Journals Digital Archive Legacy |
| subjects | Animals Biological and medical sciences Brackish CULEX Culex - physiology Culicidae Diptera EGIPTO Egypt EGYPTE ETAPAS DEL DESARROLLO ANIMAL Female Fertility Freshwater Fundamental and applied biological sciences. Psychology Insecta Invertebrates Life cycle. Embryology. Development OOGENESIS OVAIRE OVARIOS Oviposition - physiology OVOGENESE Physiology. Development PUPAS PUPE REPRODUCCION REPRODUCTION STADE DE DEVELOPPEMENT ANIMAL Vitellogenesis - physiology |
| title | Preimaginal vitellogenic development and repeated autogeny in Culex pusillus (Diptera: Culicidae) from Egypt |
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