Sueus niisimai is a species of weevil found in India, Sri Lanka, China, Japan, Taiwan, Korea, Malaysia and Indonesia. It is also found in Australia and Fiji, presumably introduced.[1][2]
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| Species: | S. niisimai
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| Sueus niisimai (Eggers, 1926)
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Description edit
Body length excluding head is about 1.6 to 2.0 mm. Body elongate is oval and slightly flattened. Body reddish brown. Antennae and tarsi yellowish brown. Compound eyes divided into two parts where the upper ones are located almost on frons and lower ones are located behind scrobe ventrally. Pronotum wider than long, shiny with minute shallow punctures. Pronotum clothed with whitish hairy pubescence. Scutellum shiny, small and triangular. Elytra long, parallel-sided, and slightly flattened.[3]
Biology edit
A polyphagous weevil, the host plants of the adults are mainly broaden leaves trees such as orange, Commersonia bartramia, Cryptocarya constricta and Macaranga. Females generally constructs galleries in old dry twigs.[4] This gallery system consists of a radial gallery, and usually two longitudinal branches running up and down the stem. Eggs are laid in separate niches, where the larvae develop by feeding on the ambrosia fungus growing in the parental gallery. Usually, only one or two males are produced in each gallery with majority of females. Males are smaller than the females, where they mate with their sisters in the parental gallery.[5]
The Canker disease fungus Diatrypella japonica is identified as a symbiote associated with the adult weevils.[6]
References edit
- ^ Wood, Stephen L. (1992). "Nomenclatural Changes and New Species in Platypodidae and Scolytidae (Coleoptera), Part II". The Great Basin Naturalist. 52 (1): 78–88. JSTOR 41712699. Retrieved 2021-09-03.
- ^ "A Synopsis of the Scolytine Ambrosia Beetles of Thailand (Coleoptera: Curculionidae: Scolytinae)". Zootaxa 3875 (1): 1-82. Retrieved 2021-09-02.
- ^ "A New Species and Five Newly Recorded Species of Scolytinae (Coloptera: Curculionidae) from Korea". Entomological Research Bulletin 33(2): 131-137 (2017). Retrieved 2021-09-02.
- ^ Beaver, R. A. (1984-01-13). "The biology of the ambrosia beetle, Sueus niisimai (Eggers) (Col., Scolytidae), in Fiji". Entomologist' s Monthly Magazine. Retrieved 2021-09-03.
- ^ "Sueus niisimai (Eggers, 1926)". www.gbif.org. Retrieved 2021-09-03.
- ^ Li, You; Skelton, James; Adams, Sawyer; Hattori, Yukako; Smith, Matthew E.; Hulcr, Jiri (2020-06-16). "The Ambrosia Beetle Sueus niisimai (Scolytinae: Hyorrhynchini) is Associated with the Canker Disease Fungus Diatrypella japonica (Xylariales)". Plant Disease. 104 (12): 3143–3150. doi:10.1094/PDIS-03-20-0482-RE. PMID 33136520. Retrieved 2021-09-03.
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