WaspsWasps Index Australian Large Wasps Australian Mud Nest Wasps Mud Wasp Velvet Ants Abispa ephippium Acarozumia amaliae Aulacidae Australodynerus Bembix Bembicinae Blue Hairy Flower Wasp Braconidae Chrysididae Cryptocheilus bicolor (Orange Spider Wasp) Delta latreillei (Potter Wasp) Eumeninae Ferreola handschini (Orange-collared Spider Wasp) Flower Wasps Gasteruptiid Wasp Hairy Flower Wasps Isodontia (Grass-carrying Wasp) Lissopimpla excelsa (Orchid Dupe Wasp) Mutillidae Paralastor sp. Pseudabispa bicolor ssp. nigrocinctoides Radumeris radula (Yellow Hairy Flower Wasp) Radumeris tasmaniensis (Yellow Hairy Flower Wasp) Sceliphron laetum Thynnid Wasps Tiphiidae Torymus Yellow and Black Wasp

The genus Torymus are a group of wasps, from the family Torymidae, and commonly known as Chalcid Wasps. Most of the species in this group are ectoparasitoids of gall forming insects. An ectoparasitoid, is a parasite that lives externally on another animal and eventually kills it.

At time of writing (23 December 2023)4, there were listed 363 described species.

The pictured Torymus were often seen on the Poached Egg Daisy (Polycalymma stuartii). They are very small flying insect.

Chalcid Wasp (genus Torymus), Alice Springs Desert Park NT
Chalcid Wasp (genus Torymus), Alice Springs Desert Park NT
Chalcid Wasp (genus Torymus), Alice Springs Desert Park NT
Chalcid Wasp (genus Torymus), Alice Springs Desert Park NT

  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Hexapoda
  • Class: Insecta
  • Informal: Pterygotes
  • Order: Hymenoptera
  • Superfamily: Chalcidoidea
  • Family: Torymidae
  • Subfamily: Toryminae
  • Genus: Torymus

Footnote & References

  1. Many thanks for ID to Ken Walker, member of Australian Polistinae and other Hymenoptera, Facebook group, https://www.facebook.com/groups/188453645581988/
  2. Torymus Dalman, 1820, Atlas of Living Australia, https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/5f51a8f5-2ec9-4d93-84a4-574934ecfef7
  3. Genus Torymus, iNaturalistAU, https://inaturalist.ala.org.au/taxa/250220-Torymus
  4. Torymus, Wikipedia, https://en.wikipedia.org/wiki/Torymus

WaspsWasps Index Australian Large Wasps Australian Mud Nest Wasps Mud Wasp Velvet Ants Abispa ephippium Acarozumia amaliae Aulacidae Australodynerus Bembix Bembicinae Blue Hairy Flower Wasp Braconidae Chrysididae Cryptocheilus bicolor (Orange Spider Wasp) Delta latreillei (Potter Wasp) Eumeninae Ferreola handschini (Orange-collared Spider Wasp) Flower Wasps Gasteruptiid Wasp Hairy Flower Wasps Isodontia (Grass-carrying Wasp) Lissopimpla excelsa (Orchid Dupe Wasp) Mutillidae Paralastor sp. Pseudabispa bicolor ssp. nigrocinctoides Radumeris radula (Yellow Hairy Flower Wasp) Radumeris tasmaniensis (Yellow Hairy Flower Wasp) Sceliphron laetum Thynnid Wasps Tiphiidae Torymus Yellow and Black Wasp

InsectsBees Beetles Blattodea Butterflies Coleoptera Cicada Crabronidae Diptera Dragonflies & Damselflies Formicidae Hemiptera Heteroptera (True Bugs) Mango Planthopper Moths Orthoptera Orthopteroid Processionary Caterpillar Stink Bugs, Shield Bugs and Allies Syrphidae Wasps Water Scorpion (Laccotrephes tristis) Witchetty Grub