Biology, History, Threat,. Surveillance and Control of the Cactus Moth,. Cactoblastis cactorum. H. Zimmermann. S. Bloem. H. Klein. Joint FAO/IAEA Programme. This ancient photographic record on the left is one example of the amazing way cactoblastis (Cactoblastis cactorum) chewed its way through. Cactoblastis cactorum is a moth that preys specifically on cacti species. It has been introduced in various locations around the globe to provide.
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During this process the colony usually divides into two or more groups. Invasive species – insects is available from: The cactobalstis is fawn with faint dark dots and lines on the wings. Tracking the Cactus Moth, Cactoblastis cactorum Berg.
Trichogramma pretiosum Riley, Trichogramma fuentesi Torre, and an additional unidentified Trichogramma species belonging to the Trichogramma pretiosum group. Egg sticks that resemble cactus spines develop and hatch in 25—30 csctoblastis. Florida Entomologist 85 3: The World’s First Insect Memorial.
Texas Invasive Species Institute
The yeast community associated with decaying Opuntia stricta Haworth in Florida with regard to the moth, Cactoblastis cactorum Berg.
Many ant species in the natural world participate in mutualistic relationships with various species of cactus and it is hoped that this general trend of interaction can be exploited to protect the Opuntia cacti from the Cactoblastis moth.
Resembles Adult cactus moths are non-descript and look similar to other Pyralid moths, especially those of the subfamily Cxctorum. As well as the threat to wild cacti, there are over ,ha of Opuntia plantations in Mexico that support a thriving agricultural industry, cactoblasgis of which is centred on harvesting fruits or pads.
After its earlier success as a biocontrol agent in Australia and South Africa, it was introduced into the Caribbean in to manage weedy native cactus species. Cactus pad dissected to show larvae of cactus moth, Cactoblastis cactorum Bergfeeding within. The cactus feeding Phycitinae: The targeted use of the Cactoblastis cactoruma South American cactus moth, is an example of biological control.
issg Database: EcologieCactoblastis cactorum
The larvae appear to have a difficult time burrowing through the tough epidermal layer and get stuck in the secreted mucilage Jezorek et al. Spatial and temporal patterns of predation by ants on cactoblasris of Cactoblastis cactorum.
Union of South Africa When it is their time, they actually leave the plant and find shelter under loose bark, dead leaves or other rubbish at or near the base of the plant. Adult cactus moths are non-descript, gray-brown cactoruum with faint dark spots and wavy transverse lines marking the wings.
Expanding Geographic Cactourm of Cactoblastis cactorum Lepidoptera: Hindwings are white, semihyaline at base, smoky brown on outer half with a dark line along the posterior margin.
Please see image, right, for a closer look.
Distinct black antemedial and subterminal lines are present. Distribution and dispersal of Cactoblastis cactorum Lepidoptera: Within six 6 years most of the original pear had been destroyed — as in this image on the right. More information about modern web browsers can be found at http: Nutrition On hatching, all larvae from one eggstick enter the plant cactkblastis one point.
Cactoblastis cactorum – Wikipedia
Texas Invasive Plant and Pest Council. Florida Entomologist December vol. As well as the threat to wild cacti, there are over ,ha of Opuntia plantations cacgoblastis Mexico that support a thriving agricultural industry, most of which is centered on harvesting fruits or pads.
Pyralidaeand exotic opuntia-feeding moth. Cactoblastos K, Bloem S, Title Larvae attacking prickly pear Natural enemy. The frass from the moth is visible in the left fresh frass and mucilage oozing from holes in the cladode and middle photos dried frass.
The renowned cactus moth, Cactoblastis cactorum Lepidoptera: News of the Lepidopterists Society. Introduction of Cactoblastis cactorum “cactus moth” in Australia The targeted use of the Cactoblastis cactoruma South American cactus moth, is an example of biological cacgoblastis. The wing span of the adults ranges from 22 to 35 mm.
Although it is well known that the moth is capable of switching hosts, the full range of host plants susceptible to the moth is unknown. It has high potential to destroy native Opuntia cactorym. Click on the name for additional informations. Larvae will typically spend two months within the host cactus during the summer, and approximately four months during the winter.
The prickly pear moth Cactoblastis cactorum is a moth that preys specifically on cactus species. Another possible control option being explored would utilize ants to serve in a mutually beneficial relationship with the Opuntia cacti.