Sturmiopsis inferens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Tachinidae
Subfamily: Exoristinae
Tribe: Eryciini
Genus: Sturmiopsis
Species:
S. inferens
Binomial name
Sturmiopsis inferens
Synonyms

Sturmiopsis inferens is a species of fly in the family Tachinidae.[3] It is native to Asia and is a parasitoid of various moth species whose larvae feed inside the stems of sugarcane, rice and other large grasses, including the Gurdaspur borer (Bissetia steniellus) and the sugarcane shoot borer (Chilo infuscatellus).

Description

Sturmiopsis inferens is a stout fly with a silvery-white head, dark brown forehead, hairy parafacial area, densely hairy eyes, yellowish-brown antennae, silvery-white abdomen and brownish-black legs.[4]

Distribution

Madagascar[5], Bangladesh, Bhutan, China, India, Indonesia, Malaysia, Nepal, Philippines.[6][3]

Host species

In Haryana, this fly parasitises the Gurdaspur borer (Bissetia steniellus) and the gold-fringed rice stemborer (Chilo auricilius), in Karnataka it concentrates on the ragi stem borer (Sesamia inferens) and in Odisha, the main host species is the sugarcane shoot borer (Chilo infuscatellus).[7] It also targets other Chilo spp. including Chilo polychrysus, as well as Scirpophaga nivella, which are pests of rice.[4]

Biology

S. inferens is a naturally occurring parasitoid of the sugarcane shoot borer (Chilo infuscatellus) in India, and it has proved possible to use it as a biological control of this sugarcane pest.[8] The fly seems to be most active at temperatures between 27 and 30 °C (81 and 86 °F) and humidities of over 60% and it can now be reared in the laboratory. Each female fly is capable of infecting up to three hundred larvae, and twenty to fifty females can be released per hectare about two months after planting the sugarcane crop in order to achieve control.[7]

This fly is viviparous. A newly hatched female mates with a slightly older male and there follows a gestation period of 12 to 16 days. The female then seeks out a tunnel made by the larvae of a sugarcane borer; she deposits her larvae in the tunnel and they invade the host larvae, making their way in through the cuticle. When fully fed, after 6 to 15 days, the parasitoid larvae pupate in the tunnel, emerging as adults in 12 to 14 days. The length of each life stage depends on the temperature and humidity, the total length of the life cycle being in the range 30 to 45 days.[7]

References

  1. ↑ Townsend, Charles Henry Tyler (1916). "New genera and species of muscoid flies" (PDF). Proceedings of the United States National Museum. 51 (2152): 299–323. doi:10.5479/si.00963801.2152.299.
  2. ↑ Bezzi, M. (1925). "Some Tachinidae (Diptera) of economic importance from the Federated Malay States". Bulletin of Entomological Research. 16 (113–123).
  3. 1 2 O'Hara, James E.; Shima, Hiroshi; Zhang, Chuntian (2009). "Annotated Catalogue of the Tachinidae (Insecta: Diptera) of China" (PDF). Zootaxa. Auckland, New Zealand: Magnolia Press. 2190: 1–236. ISSN 1175-5334. Retrieved 18 May 2016.
  4. 1 2 Biology and Management of Rice Insects. Int. Rice Res. Inst. p. 29. ISBN 978-81-224-0581-1.
  5. ↑ Barraclough, David A. (2004). "A taxonomic review of Sturmiopsis Townsend, 1916, an Old World genus of Tachinidae (Diptera) parasitizing economically significant lepidopterous stem borers". African Invertebrates. 45: 7–19.
  6. ↑ O’Hara, James E.; Henderson, Shannon J.; Wood, D. Monty (5 March 2020). "Preliminary Checklist of the Tachinidae (Diptera) of the World" (PDF). Tachinidae Resources. Retrieved 21 August 2023.
  7. 1 2 3 Upadhyay, Rajeev K.; Mukerji, K.G.; Chamola, B.P. (2001). Biocontrol Potential and its Exploitation in Sustainable Agriculture: Volume 2: Insect Pests. Springer Science & Business Media. pp. 199–200. ISBN 978-0-306-46587-1.
  8. ↑ Srikanth, J.; Salin, K.P.; Kurup, N.K.; Bai, K. Subadra (2009). "Assessment of the tachinid Sturmiopsis inferens as a natural and applied biological control agent of sugarcane shoot borer (Chilo infuscatellus) in southern India". Sugar Technology. 11 (1): 51–59. doi:10.1007/s12355-009-0009-5.
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