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Larval morphology and development of Coptera occidentalis
The morphology and development of immature stages of the solitary internal parasitoid Coptera occidentalis were studied within the pupae of their factitious host, Ceratitis capitata. Parasitoid eggs are of the hymenopteriform type. Three larval instars are described. The first instar is of the mandi...
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Published in: | BioControl (Dordrecht, Netherlands) Netherlands), 1999-01, Vol.44 (3), p.263-280 |
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creator | Kazimirova, M. (Slovak Academy of Sciences, Bratislava (Slovakia). Inst. of Zoology) Vallo, V |
description | The morphology and development of immature stages of the solitary internal parasitoid Coptera occidentalis were studied within the pupae of their factitious host, Ceratitis capitata. Parasitoid eggs are of the hymenopteriform type. Three larval instars are described. The first instar is of the mandibulate type bearing prominent submandibular appendages and a pair of terminal lobes on the last abdominal segment. The terminal lobes are covered with cuticular spines. The integument also bears cuticular spines arranged in paired dorsal welts on each of body segments V--IX. The second and third instar larvae are hymenopteriform with simple mandibles, reduced submandibular appendages and smooth integument. The third instar has an open tracheal system with three pairs of spiracles on segments II--IV. Considerable variation in development rates of parasitoid immature stages and high percentage of superparasitism were observed. Parasitoid eggs nearly doubled in size during the 96-h incubation. Development from egg to pupa took minimum 25 days and emergence of imagines started on day 42 after parasitization. Superparasitism was recorded in 56% of the examined hosts. The average number of eggs/host was 5.04 (range 1--22). Supernumerary occurrence of successive larval instars per one host was also observed. |
doi_str_mv | 10.1023/A:1009907927554 |
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(Slovak Academy of Sciences, Bratislava (Slovakia). Inst. of Zoology) ; Vallo, V</creator><creatorcontrib>Kazimirova, M. (Slovak Academy of Sciences, Bratislava (Slovakia). Inst. of Zoology) ; Vallo, V</creatorcontrib><description>The morphology and development of immature stages of the solitary internal parasitoid Coptera occidentalis were studied within the pupae of their factitious host, Ceratitis capitata. Parasitoid eggs are of the hymenopteriform type. Three larval instars are described. The first instar is of the mandibulate type bearing prominent submandibular appendages and a pair of terminal lobes on the last abdominal segment. The terminal lobes are covered with cuticular spines. The integument also bears cuticular spines arranged in paired dorsal welts on each of body segments V--IX. The second and third instar larvae are hymenopteriform with simple mandibles, reduced submandibular appendages and smooth integument. The third instar has an open tracheal system with three pairs of spiracles on segments II--IV. Considerable variation in development rates of parasitoid immature stages and high percentage of superparasitism were observed. Parasitoid eggs nearly doubled in size during the 96-h incubation. Development from egg to pupa took minimum 25 days and emergence of imagines started on day 42 after parasitization. Superparasitism was recorded in 56% of the examined hosts. The average number of eggs/host was 5.04 (range 1--22). Supernumerary occurrence of successive larval instars per one host was also observed.</description><identifier>ISSN: 1386-6141</identifier><identifier>EISSN: 1573-8248</identifier><identifier>DOI: 10.1023/A:1009907927554</identifier><language>eng</language><publisher>Dordrecht: Springer Nature B.V</publisher><subject>Appendages ; BIOLOGICAL CONTROL ; CERATITIS CAPITATA ; CONTROL BIOLOGICO ; Coptera occidentalis ; Developmental stages ; Eggs ; HOST PARASITE RELATIONS ; Host-parasite interactions ; HYMENOPTERA ; Instars ; Integument ; Larvae ; Lobes ; LUTTE BIOLOGIQUE ; Morphology ; PARASITISM ; PARASITISME ; PARASITISMO ; PARASITOIDE ; PARASITOIDES ; PARASITOIDS ; Pupae ; RELACIONES HUESPED PARASITO ; RELATION HOTE PARASITE ; Segments ; Spines ; Spiracles ; Supernumerary ; Superparasitism ; Tephritidae</subject><ispartof>BioControl (Dordrecht, Netherlands), 1999-01, Vol.44 (3), p.263-280</ispartof><rights>Kluwer Academic Publishers 1999.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c211t-7c980700fbc8fbfadd104cb69f34537d6fb6d3067df07f2f2e7f2de1b822e41b3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids></links><search><creatorcontrib>Kazimirova, M. (Slovak Academy of Sciences, Bratislava (Slovakia). Inst. of Zoology)</creatorcontrib><creatorcontrib>Vallo, V</creatorcontrib><title>Larval morphology and development of Coptera occidentalis</title><title>BioControl (Dordrecht, Netherlands)</title><description>The morphology and development of immature stages of the solitary internal parasitoid Coptera occidentalis were studied within the pupae of their factitious host, Ceratitis capitata. Parasitoid eggs are of the hymenopteriform type. Three larval instars are described. The first instar is of the mandibulate type bearing prominent submandibular appendages and a pair of terminal lobes on the last abdominal segment. The terminal lobes are covered with cuticular spines. The integument also bears cuticular spines arranged in paired dorsal welts on each of body segments V--IX. The second and third instar larvae are hymenopteriform with simple mandibles, reduced submandibular appendages and smooth integument. The third instar has an open tracheal system with three pairs of spiracles on segments II--IV. Considerable variation in development rates of parasitoid immature stages and high percentage of superparasitism were observed. Parasitoid eggs nearly doubled in size during the 96-h incubation. Development from egg to pupa took minimum 25 days and emergence of imagines started on day 42 after parasitization. Superparasitism was recorded in 56% of the examined hosts. The average number of eggs/host was 5.04 (range 1--22). 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Inst. of Zoology) ; Vallo, V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c211t-7c980700fbc8fbfadd104cb69f34537d6fb6d3067df07f2f2e7f2de1b822e41b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Appendages</topic><topic>BIOLOGICAL CONTROL</topic><topic>CERATITIS CAPITATA</topic><topic>CONTROL BIOLOGICO</topic><topic>Coptera occidentalis</topic><topic>Developmental stages</topic><topic>Eggs</topic><topic>HOST PARASITE RELATIONS</topic><topic>Host-parasite interactions</topic><topic>HYMENOPTERA</topic><topic>Instars</topic><topic>Integument</topic><topic>Larvae</topic><topic>Lobes</topic><topic>LUTTE BIOLOGIQUE</topic><topic>Morphology</topic><topic>PARASITISM</topic><topic>PARASITISME</topic><topic>PARASITISMO</topic><topic>PARASITOIDE</topic><topic>PARASITOIDES</topic><topic>PARASITOIDS</topic><topic>Pupae</topic><topic>RELACIONES HUESPED PARASITO</topic><topic>RELATION HOTE PARASITE</topic><topic>Segments</topic><topic>Spines</topic><topic>Spiracles</topic><topic>Supernumerary</topic><topic>Superparasitism</topic><topic>Tephritidae</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kazimirova, M. 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subjects | Appendages BIOLOGICAL CONTROL CERATITIS CAPITATA CONTROL BIOLOGICO Coptera occidentalis Developmental stages Eggs HOST PARASITE RELATIONS Host-parasite interactions HYMENOPTERA Instars Integument Larvae Lobes LUTTE BIOLOGIQUE Morphology PARASITISM PARASITISME PARASITISMO PARASITOIDE PARASITOIDES PARASITOIDS Pupae RELACIONES HUESPED PARASITO RELATION HOTE PARASITE Segments Spines Spiracles Supernumerary Superparasitism Tephritidae |
title | Larval morphology and development of Coptera occidentalis |
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