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Species of moth
Cryptophlebia ombrodelta, the litchi fruit moth or macadamia nut borer, is a moth of the family Tortricidae. The species was first described by Oswald Bertram Lower in 1898. It is native to India, Sri Lanka, Nepal, Indonesia, China, Taiwan, Vietnam, Thailand, western Malaysia, New Guinea, the Philippines, Japan, Guam, the Caroline Islands, Australia and has been introduced to Hawaii.[1]
The wingspan is 15–22 mm. Forewings brownish to reddish brown. A dark-brown pre-tornal spot is distinctive in females, but faded in males. Males possess sex scales on the hindwing, hind tibia, and abdomen. Females with a costal fold on forewings, which is absent in males.[2]
Eggs are white, round and flat, and laid in small groups of 15 on the fruit. Late instars are 13–20 mm long. The abdomen of the caterpillar is yellowish white. In the final instar, its color turns to red. Pinacula large and darker than body. Head and prothoracic shield blackish to dark brown in early instars which turns pale to yellowish brown in final instars. Anal comb rudimentary with 4-6 small teeth. Pupa yellow brown.[3]
It is considered a pest of legumes.[4]
The larvae are a minor polyphagous pest and feeds on a wide range of plants.[5]
Adult moths can be eradicated by mechanical methods such as hand picking and trapping. Passive trapping methods such as emergence traps, flight traps, malaise traps and sticky traps are ineffective. Bait traps are also found ineffective to catch adults. Light traps, suction traps and pheromone traps[6] are effective. It is also found that the Robinson light trap attracted more males than females.[7]
Parasitoids such as Trichogramma cryptophlebiae, Brachymeria pomonae, Gotro bimaculata and Bracon species can be used to destroy eggs and caterpillars.[4]
Other methods such as mating disruption, hot water treatments, irradiation and usage of insecticides can also be used.[4]
- ^ Diakonoff, A. (1982). “On a Collection of Some Families of Micro-Lepidoptera from Sri Lanka (Ceylon)”. Zoologische Verhandelingen. 193: 1–124 – via Naturalis Biodiversity Center.
- ^ “Cryptophlebia ombrodelta – litchi fruit moth”. Tortricids of Agricultural Importance. Retrieved 11 March 2018.
- ^ “Cryptophlebia ombrodelta biology”. Eurasian Tortricidae 2.0. Retrieved 11 March 2018.
- ^ a b c Herbison-Evans, Don & Crossley, Stella (2 December 2014). “Cryptophlebia ombrodelta (Lower, 1898) Macadamia Nutborer”. Australian Caterpillars and their Butterflies and Moths. Retrieved 16 October 2018.
- ^ “Cryptophlebia ombrodelta (Lower)”. ICAR-National Bureau of Agricultural Insect Resources. Retrieved 11 March 2017.
- ^ Vickers, R.A.; Ironside, D.A.; McLean, S.; Coates, A.; Campbell, G. (1998). “Development of a Pheromone-based Monitoring System for the Macadamia Nut Borer, Cryptophlebia ombrodelta (Lower) (Tortricidae: Olethreutinae), in Australia”. Journal of Asia-Pacific Entomology. 1: 85–89. doi:10.1016/S1226-8615(08)60009-6.
- ^ Sinclair, E. R.; Sinclair, P. (1980). “Trapping Adult Macadamia Nut Borer, Cryptophlebia ombrodelta (Lower) (Lepidoptera: Tortricidae)”. Journal of the Australian Entomological Society. 19 (21): 211–216. doi:10.1111/j.1440-6055.1980.tb02090.x.
- Bradley, J. D. 1953. Some important species of the genus Cryptophlebia Walsingham, 1899, with descriptions of three new species (Lepidoptera: Olethreutidae). Bulletin of Entomological Research. 43: 679–689.
- Horak, M. 2006. Olethreutine moths of Australia (Lepidoptera: Tortricidae). Monographs on Australian Lepidoptera, Vol. 10. 522 pp.
- Jones, V. P. 1994. Feeding by Cryptophlebia illepida and C. ombrodelta (Lepidoptera: Tortricidae) on macadamia nut abortion. Journal of Economic Entomology. 87: 781–786.
