Cocopest - Information portal for major pests and diseases of coconut
Cocopest - Information portal for major pests and diseases of coconut
Cocopest - Information portal for major pests and diseases of coconut
Pests & diseases of coconut
Pest name
African rhinoceros beetle belongs to the genus Oryctes and mainly associates with palms i.e.coconut, date palm, and African oil palm. Most of the Dynastinae beetles are not pests, however, some have the potential to cause severe damage [1].

Rhynchophorus palmarum, the South American Palm Weevil is reported to feed on 35 plant species from 12 different families [1, 2, 3, 4, 5] but this species has been mostly reported as a pest for a number of palms and on sugarcane [6, 7]. The weevil can vector the nematode Rhadinaphelenchus cocophilus, an obligate parasite which causes the red-ring disease in palms [8]
Brontispa longissimi is one of the most serious coconut pests in the Southeast Asia region.

The host range of B. longissima includes various Palmae [Arecaceae]. In Papua New Guinea, coconut, sago palms, areca or betel palm (Areca catechu), royal palms (Roystonea regia), oil palm and ornamental palms are attacked. In northern Australia, hosts include areca palms (A. catechu), nicobar palm (Bentinckia nicobarica), carpentaria palm (Carpentaria acuminata) and fish tail palm (Caryota mitis). In Hong Kong, it is also reported from ivory nut palm (Phytelephas), petticoat palm (Washingtonia robusta), king palm (Archontophoenix alexandrae) and dwarf date palm (Phoenix ro

Oryctes rhinoceros is endemic to the coconut-growing regions of South and South-East Asia from Pakistan to the Philippines (CIE, 1967).

Primarily found attacking coconut and oil palm, O. rhinoceros has also occasionally been recorded on banana (Sharma and Gupta, 1988), sugarcane, papaya, sisal and pineapple (Khoo et al., 1991). In Mauritius, ornamentals such as the royal palm (Roystonea regia), the

Rhynchophorus vulneratus is native to Southeast Asia and was originally referred to as Rhynchophorus ferrugineus variety schach.

R. vulneratus is essentially a pest of plants belonging to the Palmae family. Leong (1987) reported that young sago palms provided better conditions than older ones for reproduction of R. vulneratus. Kimura (1979) reported R. vulneratus as a major pest of sago palm. Althou

R. phoenicis occurs on a range of wild and cultivated palm trees (Palmae), mainly oil and coconut palms (Hill, 1983). Adult R. phoenicis occur year-round in tropical Africa where palms are present. The common breeding sites include stressed, wounded, dying and fallen palms. Adult R. phoenicis are good fliers and in immature stages the pest can be dispersed within infested palm tissue.
Mahasena corbetti, the coconut case caterpillar, is a polyphagous species of bagworm [1]. This species is classified as leaf-eating pest caterpillars that produce tough silk out of their bags from dried foliage. Currently, M. corbetti is considered a pest of quaran
The main hosts of this beetle are coconut, oil palm and betel nut. Its alternate hosts include banana, sugarcane and wild palms. The beetle usually attacks the young coconuts from the seedling stage to about 5 years old. Meanwhile the adult beetles attack the nut of the coconut, however this is a rare incident (Arura, 1984; L Beaudoin-Ollivier, CIRAD-CP, France, unpublished data).
The coconut scale is a common pest of coconut and banana. It also infests many other trees and ornamental plants, some of the hosts include avocado, bird of paradise, breadfruit, ginger, guava, mango, mock orange, mountain apple, palm, papaya, pandanas, plumeria and sugarcane.
The red palm weevil, also known as the Asian palm weevil digs holes in the palm trunks up to 1 meter long, which weakens the palm and coul
The leafminer, Promecotheca cumingii is considered a minor or occasional pest of species of palms. It attacks coconut palm, oil palm and betel palm. The pest outbreak occurs after long dry periods. The damage caused by this pest is usually extensive and widespread when outbreak happens. Pest outbreak is often due to reduced number of natural enemies in the field.
Sexava nubila, and a number of long-horned grasshoppers which belongs to the genera of Sexava are significant pests of coconut. The outbreaks happen in places where overgrown coconut is present. Other than coconuts, the treehoppers also attack sago, acera nuts and Salak
The Coconut rhinoceros beetle (CRB), Oryctes rhinoceros (Linn) is a cosmopolitan pest of palms including coconut and oil palm. CRB invaded many Pacific islands in the early 20th century through human-mediated dispersal (Reil et al., 2018) and was first recorded in PNG in 1942 (Catley, 1969). The current invasive pest which is of concern is in fact a new biotype known a
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