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Habrobracon hebetor

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Species of wasp

Habrobracon hebetor
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Braconidae
Subfamily: Braconinae
Genus: Habrobracon
Species: H. hebetor
Binomial name
Habrobracon hebetor
(Say, 1836)
Synonyms
  • Bracon hebetor Say, 1836
  • Bracon juglandis Ashmead, 1889
  • Habrobracon juglandis (Ashmead, 1889)
  • Braco brevicornis Wesmael, 1838
  • Bracon brevicornis Wesmael, 1838
  • Habrobracon brevicornis (Wesmael, 1838)

Habrobracon hebetor is a minute wasp of the family Braconidae that is an ectoparasitoid of several species of moth caterpillars. Well known hosts include the larval stage of Plodia interpunctella, the Indianmeal moth, the late larval stage of the Mediterranean flour moth and the almond moth, and the dried fruit moth (Cadra calidella). This parasitoid has been used commercially as a way to control pests without using chemical insecticides.

Use in biological control

These wasps feed quickly, aided by their gut enzymes which quickly destroy the blood proteins in the moth larvae. This increases the value of the species as an effective biocontrol agent.

Life cycle

At 30 °C (86 °F), the life cycle of the wasp is about ten to thirteen days from initial parasitism to final emergence of the adult. The adult female lives about 23 days during which it produces about 100 eggs. One to 8 eggs are deposited in individual, paralyzed, late instar moth larvae.

Radiation

Habrobracon hebetor is remarkably resistant to radiation. While LD100 is estimated around 1000 rads for humans, and 56,128 rads (64,000 roentgens) for the fruit fly Drosophila melanogaster, a study showed that H. hebetor survived X-ray radiations of 158,080 rads (180,250 R). In this study, irradiated groups even had an increased life span compared to non-irradiated control groups, an effect attributed to the lack of activity of irradiated individuals. A similar effect has also been noticed in other insect species. However, female H. hebetor were sterilized at 4,210 rads (4,800 R) exposure. Another study showed that 218,373 rads (249,000 R) exposure instantly killed 100% H. hebetor.

References

  1. ^ "Species Habrobracon hebetor".
  2. ^ Yu, Dicky Sick Ki. "Habrobracon juglandis (Ashmead 1889)". Home of Ichneumonoidea. Taxapad. Archived from the original on February 18, 2017.
  3. ^ Yu, Dicky Sick Ki. "Habrobracon brevicornis (Wesmael 1838)". Home of Ichneumonoidea. Taxapad. Archived from the original on February 18, 2017.
  4. Biological Control of Insects Research by D. Stanley
  5. USDA Agricultural Research Service ARS, "Bracon Hebetor Biological control agent for stored product pests", Ames Iowa. 1998.
  6. Ghimire, Mukti N.; Phillips, Thomas W. (2010-10-01). "Mass rearing of Habrobracon hebetor Say (Hymenoptera: Braconidae) on larvae of the Indian meal moth, Plodia interpunctella (Lepidoptera: Pyralidae): effects of host density, parasitoid density, and rearing containers". Journal of Stored Products Research. 46 (4): 214–220. doi:10.1016/j.jspr.2010.05.003. ISSN 0022-474X.
  7. "Biological Control of Stored-Product Pests" Archived 2010-06-15 at the Wayback Machine Midwest Biological Control News (University of Wisconsin)
  8. Anno, GH; Young, RW; Bloom, RM; Mercier, JR (2003). "Dose response relationships for acute ionizing-radiation lethality". Health Physics. 84 (5): 565–575. doi:10.1097/00004032-200305000-00001. PMID 12747475. S2CID 36471776.
  9. Hassett, CC; Jenkins, DW (1952). "Use of fission products for insect control". Nucleonics. 10: 42–46.
  10. ^ Sullivan, R; Grosch, D (1953). "The radiation tolerance of an adult wasp". Nucleotics. 11: 21–23.
  11. Grosch, D; Sullivan, R (1956). "Induced lethargy and the radiation control of insects". Journal of Economic Entomology. 49 (5): 629–631. doi:10.1093/jee/49.5.629.
  12. Davey, W. P. (1919). "Prolongation of life of Tribolium confusum apparently due to small doses of X-rays". Journal of Experimental Zoology. 28 (3): 447–458. Bibcode:1919JEZ....28..447D. doi:10.1002/jez.1400280305.
  13. Grosch, DS; Sullivan, RL (1954). "The quantitative aspects of permanent and temporary sterility induced in female Habrobracon by X-Rays and β radiation". Radiation Research. 1 (3): 294–320. Bibcode:1954RadR....1..294G. doi:10.2307/3570374. JSTOR 3570374. PMID 13167339.
  14. Heidenthal, G (1945). "The occurrence of X-ray induced dominant lethal mutations in Habrobracon". Genetics. 30 (2): 197–205. doi:10.1093/genetics/30.2.197. PMC 1209282. PMID 17247153.
Taxon identifiers
Habrobracon hebetor
Bracon hebetor
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