The distribution, fine structure and function of the sensilla present on the antennal club of rhynchophorus palmarum were studied. We describe the use of alerito, the larva of the rhynchophorus palmarum coleoptera. Rhynchophorus ferrugineus is essentially a pest of palms. Partial characterization of protease activity from. Accepted 10 june, 2011 palm weevil rhychophorus palmarum poses treat to cultivated palm trees in central and southern africa. The known hosts include areca catechu, arenga pinnata.
The genus rhynchophorus currently contains nine species, of which six are known to attack palms. A new design of trap for collecting, the palm weevil. Calandra palmarum linnaeus 1801, cordyle barbirostris thunberg 1797, cordyle palmarum linnaeus 1797, curculio palmarum linnaeus 1758, rhynchophorus cycadis erichson 1847, rhynchophorus depressus chevrolet 1880, rhynchophorus languinosus chevrolet 1880 taxonomic position. The red palm weevil rhynchophorus ferrugineus is an invasive exotic species and phytosanitary quarantine species which is present in spain since 1995, when it was detected in granada and malaga. Rhynchophorus bilineatus montrouzier, 1857 black palm weevil. There is a need to determine the species of pestalotiopsis present in the pacific by molecular methods. Pdf in tropical america the american palm weevil, rhynchophorus palmarum is a significant pest of.
Lipases have key roles in insect lipid acquisition, storage, and mobilization and are also fundamental to many physiological processes in insects. Rhynchophorus palmarum description south american palm weevil. A total of 40 traps were inspected biweekly from 26 sep 2011 to. We analysed the nutrient composition of the palm worm and found that it is an. Rhynchophorus palmarum rhycpadocuments eppo global database. Pdf management of the american palm weevil rhynchophorus. Media in category rhynchophorus palmarum the following 10 files are in this category, out of 10 total. The preparation was shown to be homogeneous on polyacrylamide gels. Rhynchophorus palmarum sistema injecthor do brasil. The blends plus rhynchophorol also attracted the related dynamis borassi. Rhynchophorus palmarum scientific name rhynchophorus palmarum linnaeus synonyms. Infestation of red palm weevil, rhynchophorus ferrugineus in relation to offshoots on date palm trunk and its management.
The south american palm weevil rhynchophorus palmarum is one of the most important pests on. The giant palm weevils of the genus rhynchophorus herbst are among the worst palm pests in the world. Partial characterization of protease activity from rhynchophorus palmarum palm weevil egwim, evans c phd 1 biochemistry department, federal university of technology, pmb 65, minna, niger state, nigeria. Calandra palmarum, cordyle barbirostris thunberg, cordyle palmarum, curculio palmarum, rhynchophorus cycadis erichson, r. Two other species, rhynchophorus ferrugineus olivier and rhynchophorus palmarum l. American palm weevil, palm weevil, or palmmarrow weevil, rhynchophorus palmarum linnaeus is a serious pest of numerous palms, it also attacks 35 plant species of 12 different families esser and meredith, 1987. Curculionidae and their threat to florida palms michael c. Attraction to host plants by adultrhynchophorus palmarum l. All of these species have long been semicultivated or farmed by indigenous peoples and are excellent examples of how harvests of edible insects from. The adults are relatively large black beetles of approximately one and a half inch in length, and the larvae may grow to two inches in length. Paper presented in the meeting on the red palm weevil, rhynchophorus ferrugineus, muscat, oman, 1920 february, 2000 abstract banu jg, sosamma vk, koshy pk, 1998. Conhecida por brocadoolhodocoqueiro, bicudo e brocadocoqueiro.
Ethanolethyl acetate blends in various ratios showed moderate synergy. Therefore, it is important to devise strategies to accelerate the decomposition process to reduce the time that this waste remains in the field to a minimum. Rhynchophorus palmarum linnaeus, 1758 insects as food. Purification and biochemical characterization of a.
The role of the palm weevil, rhynchophorus palmarum, as a vector of red ring disease of coconuts. Rhynchophorus palmarum linnaeus, 1758 insects as food and. We do not use these to store personal information about you. This species is a notorious pest of palm and coconut throughout its zone of distribution oehlschlager et al. A key to related genera and the revision of this species was provided by wattanapongsiri 1966. In the laboratory, females deposited up to 4050 eggs, and the egg and pupal stages. An account is given of the distribution and bionomics of rhynchophorus palmarum, l. Pm 783 1 specific scope this standard describes a diagnostic protocol for rhynchophorus ferrugineus and rhynchophorus palmarum. Top left reinaldo aguilar, others center for invasive species research, university of california, riverside. South american palm weevil, rhynchophorus palmarum linnaeus, 1758 coleoptera. Caged female apws did not enhance the attractiveness of the palm.
Rhynchophorus populations may be hard to suppress, from. Two blends, including characteristic coconut odor molecules, were as efficient as sugarcane in synergizing. Role of the palm weevil, rhynchophorus palmarum, as a. This is important because this waste poses a risk to new plantations, as it can become a breeding ground for pests and diseases. This weevil has a probable role of insect vectors in the dissemination of the nematode, radinaphelenchus cocophilus, the causative organism of red ring disease of coconuts. Virgin laboratorybred males were highly attractive to apws of both sexes in. It has only been reported as a pest on palms and on sugarcane. This insect, originally from the tropical regions of asia and polynesia, has extended continuously through other areas of the planet, colonising different species of palm trees. Lipase activity in the larval midgut of rhynchophorus. Field trapping of the american palm weevil apw,rhynchophorus palmarum, showed that the combination of caged male apws and palm stem was much more attractive to apws of both sexes than palm stem alone. Introduction the genus rhynchophorus currently contains nine species, of which six are known to attack palms. Role of the palm weevil, rhynchophorus palmarum, as a vector.
It has several common names as well as the american palm weevil. South american palm weevil, rhynchophorus palmarum pest. South american palm weevil damage palm trunk damaged by r. It is not only a primary pest of palms, its pest status is greatly aggravated by its vectoring of the nematode, bursaphelenchus cocophilus cobb, the cause of the red ring disease rrd. Thomas, taxonomic entomologist, florida department of agriculture and consumer services, division of plant industry introduction. Field trapping of the american palm weevil apw, rhynchophorus palmarum, showed that the combination of caged male apws and palm stem was much more attractive to apws of both sexes than palm stem alone. This study reports a survey conducted to find the south american palm weevil rhynchophorus palmarum l. Two blends, including characteristic coconut odor molecules, were as. The incidence of red ring disease was found to be highly correlated with the seasonal abundance of the palm weevil, rhynchophorus palmarum l. Female rhynchophorus palmarum with coloration resembling r. On march 17, 2016 several adult and larval weevils collected by san diego county officials during the removal of a canary island date palm in san ysidro were identified as rhynchophorus palmarum, south american palm weevil sapw pdr 370p06400129. Rhynchophorus palmarum sistema injecthor do brasil youtube.
Thirteen hostplant kairomone blends, including 28 compounds, were tested and showed moderate to high synergy with rhynchophorol. This file is licensed under the creative commons attributionshare alike 3. The indians gather the palm worms from damaged or fallen palm stems and eat them raw or roasted. You have free access to this content eppo bulletin volume 37, issue 3, article first published online. Rhynchophorus palmarum, the palm weevil, has been reported as a pest of palms and sugarcane plants. Pdf rhynchophorus palmarum, the palm weevil, has been reported as a pest of palms and sugarcane plants. Bimonthly inspections coupled with elimination of red ring diseased rrd oil palms elaeis guineensis jacq.
Chemical ecology of the palm weevil rhynchophorus palmarum l. Rhynchophorus ferrugineus and rhynchophorus palmarum speci. South american palm weevil rhynchophorus palmarum south american palm weevil rhynchophorus palmarum is an insect pest. Rhynchophorus ferrugineus and rhynchophorus palmarum. Giant palm weevils of the genus rhynchophorus coleoptera. Structure and function of the antennal sensilla of the. Scanning and transmission electron microscopy showed five types of hairlike structures, four of which were evenly distributed on the antennal club. American palm weevil rhynchophorus palmarum linnaeus, 1758.
Lipids are an important component of insect diets, where they are hydrolyzed in the midgut lumen, absorbed, and used for the synthesis of complex lipids. Assessment of synthetic chemicals for disruption of. A new design of trap for collecting, the palm weevil, rhynchophorus palmarum l1 s. Costa rica, colombia, venezuela and brazil have reported greater damage to commercial palm plantations dean. Adult insects became contaminated with fragments of diseased tissue containing large numbers of nematodes after visiting diseased palms. Brown 1973 found that this fungus was the cause of the most common leaf spot of coconuts in solomon islands and noted distinct differences between lesions associated with p. Rhynchophorus ferrugineus and rhynchophorus palmarum 2007. The study was performed in the rio grande valley of south texas and near the border with tamaulipas state, mexico. Specific approval and amendment approved in 200709. Notes on taxonomy and nomenclature top of page the genus rhynchophorus contains ten species, of which seven, including r.
This insect, originally from the tropical regions of asia and polynesia, has extended continuously through other areas of the planet, colonising different. Five specimens had the typical coloration of rhynchophorus ferrugineus. Rhynchophorus, or common name palm weevil, is a genus of beetles in the weevil family, curculionidae. Adult rhynchophorus palmarum have a black, hard cuticle and they measure about 45 cm in length and are approximately 1. The south american palm weevil rhynchophorus palmarum is one of the. Factsheet rhynchophorus palmarum linnaeus american palm. Rhynchophorus palmarum linnaeus pest rating proposals. The head is small and round with a characteristic long, ventrally curved rostrum snout. Giblindavis, university of florida palm frond damage caused by. Purification and biochemical characterization of a specific.
Identification of pheromone synergists in american palm. Distribution top of page as reported by wattanapongsiri 1966, the genus rhynchophorus has an extensive worldwide distribution, but is concentrated in the tropics. The results of recent investigations support the view that the palm weevil, rhynchophorus palmarum l. Dec 01, 2007 pm 783 1 specific scope this standard describes a diagnostic protocol for rhynchophorus ferrugineus and rhynchophorus palmarum. Rhynchophorus languinosus chevrolat the south american palm weevil, rhynchophorus palmarum, is a species of snout beetle. It is a pest of coconut and other palms in its native range. Palm weevils are major pests of various trees in the family arecaceae throughout the tropics including. Once established in urban areas, rhynchophorus populations may. Effect of replanting systems on populations of strategus. This page was last edited on 17 january 2020, at 01. Rhynchophorus palmarum l, the american palm weevil, is an important pest of several palm species in tropical america as a vector of the red ring nematode bursaphelenchus cocophilus cobb. Rhynchophorus ferrugineus and rhynchophorus palmarum, eppo. Rhynchophorus currently contains nine species, of which six are known to attack palms.