Corioxenidae

Kinzelbach, 1970

Genus Guides

1

is a of twisted-wing in the order Strepsiptera, established by Kinzelbach in 1970. Members are of heteropteran , with documented in Pentatomidae, Scutelleridae, Cydnidae, Coreidae, Lygaeidae, and Blissidae. The family comprises three distinguished by male , particularly tarsal number and claw presence. males are free-living and lack .

Pronunciation

How to pronounce Corioxenidae: /ˌkɔˌriˈɒksənəˌdiː/

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Identification

identification relies on male : number of and presence or absence of tarsal claws. Males lack , a trait distinguishing them from some other strepsipteran .

Distribution

Records from Southeast Asia (implied by GBIF distribution code SE) and Japan (Blissoxenos esakii); Oman (Triozocera ).

Host Associations

  • Pentatomidae - heteropteran
  • Scutelleridae - heteropteran
  • Cydnidae - heteropteran
  • Coreidae - heteropteran
  • Lygaeidae - heteropteran
  • Blissidae - inferred from name Blissoxenos; of Blissoxenos esakii

Life Cycle

Endoparasitic development occurs within body. males emerge from host to become free-living. In Blissoxenos esakii, occurs from the arthrodial on the , a site normally covered by host wings.

Behavior

wing-raising has been observed to facilitate male in Blissoxenos esakii, enabling access to emergence sites covered by host wings. This behavior is not observed in unparasitized hosts and may represent host manipulation.

Similar Taxa

  • MengenillidaeBoth are Strepsiptera with free-living males; males lack and have distinct tarsal used for classification
  • XenidaeBoth are endoparasitic Strepsiptera; distinguished by associations with heteropteran and male absence
  • ElenchidaeBoth are Strepsiptera ; males emerge from sites covered by wings in at least some , unlike previously documented in Elenchidae

More Details

Subfamilies

Three recognized: Corioxeninae ( Corioxenos, Floridoxenos, Loania, Perissozocera, Australoxenos, Blissoxenos, Malayaxenos, Mufagaa, Viridipromontorius), Triozocerinae (Triozocera, Dundoxenos), and Uniclavinae (Uniclavus, Proceroxenos).

Male emergence mechanism

In Blissoxenos esakii, male from wing-covered sites represents a previously unreported emergence strategy in Strepsiptera, distinct from exposed-site emergence documented in , Xenidae, and Elenchidae.

Sources and further reading