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Chalcochares hirsutifemur (Banks) (Hymenoptera: Pompilidae: Pompilinae), a probable obligate parasitoid of Aptostichus Simon (Araneae: Mygalomorphae: Euctenizidae) in California

  • Size equivalence, seasonal synchronicity, geospatial sympatry, habitat specificity, and host-searching behavior implicate the spider wasp Chalcochares hirsutifemur (Banks) (Hymenoptera: Pompilidae: Pompilinae) as an obligate parasitoid on species of the wafer-lid spider genus Aptostichus Simon (Araneae: Mygalomorphae: Euctenizidae) on coastal sandy back dunes in San Luis Obispo and Santa Barbara counties, CA. This is substantiated by 2010–2022 macrophotographs, videos, and field observations. Such host evidence supports recent unpublished phylogenomic studies that place Chalcochares as a sister genus of the spider wasp tribe Aporini, in which all species are known obligate parasitoids on trapdoor spiders and related Mygalomorphae. Chalcochares hirsutifemur and C. engleharti (Banks) are separated based on morphological, geographic, and probable host spider differences. Resource partitioning on the coastal sand dunes between C. hirsutifemur and three species of smaller Aporus Spinola is proposed. ZooBank registration. urn:lsid:zoobank.org:pub:8F9A67EF-E272-4B7B-BD42-2AC9FD9CBE7B

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Author:Frank E. KurczewskiORCiD, Alice J. Abela, Akira ShimizuORCiD
URN:urn:nbn:de:hebis:30:3-711018
URL:https://centerforsystematicentomology.org/insectamundi/1004_Kurczewski_etal_2023.pdf
ISSN:1942-1354
ISSN:0749-6737
Parent Title (English):Insecta Mundi
Series (Serial Number):Insecta Mundi (1004)
Publisher:Flora & Fauna Publ.
Place of publication:Gainesville, Fla.
Document Type:Article
Language:English
Date of Publication (online):2023/08/29
Date of first Publication:2023/08/29
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2023/08/29
Tag:Aporus hirsutus; Aporus luxus; Aptostichus atomarius; Aptostichus simus; Chalcochares engleharti; resource partitioning
Volume:2023
Issue:article 1004
Article Number:1004
Page Number:16
First Page:1
Last Page:13
HeBIS-PPN:512744882
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 59 Tiere (Zoologie) / 590 Tiere (Zoologie)
Sammlungen:Sammlung Biologie / Sondersammelgebiets-Volltexte
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell 3.0

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