The Scolytidae and Platypodidae (Coleoptera) of Penang, Malaysia

Beaver, R. A.; Browne, F. G.

doi:10.1080/00305316.1978.10432538

Cited by 31 publications

(16 citation statements)

References 17 publications

(11 reference statements)

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“…Beaver (1979) indicated that 21–34% of xylomycetophages are family specific or genus specific. A significant portion of these data came from hand‐collecting on an extensive but random selection of hosts with little or no standardisation of the collecting effort (Browne, 1961; Roberts, 1977; Beaver & Browne, 1978). This may have skewed the conclusions towards greater host specificity as some hosts may have been sampled more than others.…”

Section: Discussionmentioning

confidence: 99%

Host specificity of ambrosia and bark beetles (Col., Curculionidae: Scolytinae and Platypodinae) in a New Guinea rainforest

Hulcr

Mogia

Isua

et al. 2007

Ecological Entomology

107

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Abstract. 1. Bark and ambrosia beetles are crucial for woody biomass decomposition in tropical forests worldwide. Despite that, quantitative data on their host specificity are scarce.2. Bark and ambrosia beetles (Scolytinae and Platypodinae) were reared from 13 species of tropical trees representing 11 families from all major lineages of dicotyledonous plants. Standardised samples of beetle-infested twigs, branches, trunks, and roots were taken from three individuals of each tree species growing in a lowland tropical rainforest in Papua New Guinea.3. A total of 81742 beetles from 74 species were reared, 67 of them identified. Local species richness of bark and ambrosia beetles was estimated at 80-92 species.4. Ambrosia beetles were broad generalists as 95% of species did not show any preference for a particular host species or clade. Similarity of ambrosia beetle communities from different tree species was not correlated with phylogenetic distances between tree species. Similarity of ambrosia beetle communities from individual conspecific trees was not higher than that from heterospecific trees and different parts of the trees hosted similar ambrosia beetle communities, as only a few species preferred particular tree parts.5. In contrast, phloeophagous bark beetles showed strict specificity to host plant genus or family. However, this guild was poor in species (12 species) and restricted to only three plant families (Moraceae, Myristicaceae, Sapindaceae).6. Local diversity of both bark and ambrosia beetles is not driven by the local diversity of trees in tropical forests, since ambrosia beetles display no host specificity and bark beetles are species poor and restricted to a few plant families.

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Section: Discussionmentioning

confidence: 99%

Host specificity of ambrosia and bark beetles (Col., Curculionidae: Scolytinae and Platypodinae) in a New Guinea rainforest

Hulcr

Mogia

Isua

et al. 2007

Ecological Entomology

107

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“…The form of the pronotum, declivity obliquely attenuated instead of acutely pointed, antennal club type 1, and flat protibia with no granules on its posterior side clearly exclude the species from Cryptoxyleborus, whilst the antennae and submerged scutellum indicate that it should be placed in the genus Microperus Wood (see Hulcr et al 2007a) Biology: This species is associated only with Dipterocarpaceae. It has previously been recorded from several species of Shorea and from Hopea ferrea (Browne 1961;Beaver & Browne 1979). It is unusual among Xyleborina in breeding solely in the phloem layer, and not in the xylem.…”

Section: Cryptoxyleborus Vestigator (Schedl)mentioning

confidence: 89%

“…in West Malaysia, and four other species of the same genus in Sarawak (Browne 1961). Beaver and Browne (1979) recorded it from an unidentified dipterocarp tree in Pulau Pinang, West Malaysia.…”

Section: Cryptoxyleborus Confusus Brownementioning

confidence: 99%

“…The species has antennae of type 1, like C. micrographus and C. opacicaudulus. (Browne 1961;Schedl 1964;Beaver & Browne 1979). It usually attacks small stems of 4-10 cm diameter.…”

Section: Cryptoxyleborus Simplex Brownementioning

confidence: 99%

“…Browne (1961) illustrates the gallery system, which is typical of the genus. Recorded brood sizes are 23 (all emerging on a single day) (Beaver & Browne 1979) and over 50 (Browne 1961).…”

Section: Cryptoxyleborus Simplex Brownementioning

confidence: 99%

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