Xylotrechus smei (Cerambycidae: Cerambycinae: Clytini): a potential threat to red sanders cultivation

Sidharthan, V. Kavi; Patel, Bharati; Chandran, Nithya; Pattanaik, Swapnendu

doi:10.1007/s12600-022-01023-0

Cited by 2 publications

(3 citation statements)

References 15 publications

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“…Morphological variation of the 8 th abdominal segment is extremely variable in different species of cerambycids. Therefore, the present study for the first time describes the details of external structure of female genitalia of X. basifuliginosus and compared with X. Smei which was already described" [17].…”

Section: Introductionmentioning

confidence: 85%

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Morphology of Female Genitalia of Xylotrechus basifuliginosus Heller, 1926 (Coleoptera: Cerambycidae: Clytini)

Ramola,

Singh

2024

UPJOZ

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Female genitalia have been largely neglected in studies of genital evolution, perhaps due to the long-standing belief that they are relatively invariable and therefore taxonomically and evolutionarily uninformative in comparison with male genitalia. In the present study, the female genital structure of lesser known beetle, Xylotrechus basifuliginosus was examined for the first time for morphological descriptions using advanced microscopy techniques and dissection methods and compared with its female congener, Xylotrechus smei (Castelnau & Gory). In X. basifuliginosus, the tergite and sternite are generally equal in length. Fully extended genitalia is 3.78mm long from the proximal edge of 9th segment and 0.37mm at its widest.8th abdominal segment is 0.65mm long, 0.36 mm wide whereas eighth abdominal segment is 1.2 times longer than wide, apico-lateral margin, covered with intermix of few short and long setae in X. smei. The genital pocket is 1.36 mm long-scissor like, cylindrical in shape, strongly sclerotized. Spermatheca duct is reduced, “J” shaped just like the genera of Chlorophorus and Plagionotus spp. Spiculum gastrale is 1.34 mm long, thin, slightly thickened at tip and almost three times the length of sternite 8 and ovipositor is 2.19 mm long, 0.85 mm wide, elongated and gradually narrows down to posterior end in X. basifuliginosus whereas in X. smei, spiculum gastrale is 3.43 mm long; ovipositor is with distinct paraproct, gonocoxite and gonostylus and surface of gonostylus is with few setae.

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Section: Introductionmentioning

confidence: 85%

“…eighth abdominal segment is 1.2 times longer than wide, apico-lateral margin, covered with intermix of few short and long setae. Spiculum gastrale is 3.43 mm long; ovipositor is with distinct paraproct, gonocoxite and gonostylus and surface of gonostylus is with few setae" [17].…”

Section: Female Genitalia Of Xylotrechus Smeimentioning

confidence: 99%

Morphology of Female Genitalia of Xylotrechus basifuliginosus Heller, 1926 (Coleoptera: Cerambycidae: Clytini)

Ramola,

Singh

2024

UPJOZ

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“…Instead, the immature beetle or larva enters a resting stage during the cold weather, with adults emerging in the second year between April and November. The shortest life-cycle observed among overwintering broods is about 6 months, while the longest may extend from 6 to 16 months [16].…”

Section: Life Cyclementioning

confidence: 98%

First Report of Stem Borer (Xylotrechus smei) Occurrence on Red Sanders Plantations of Tamil Nadu and Gujarat, India

K. N.,

M. A.,

et al. 2024

JSRR

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This communication presents the first documented case of the stem borer Xylotrechus smei (Cerambycidae: Coleoptera) infesting red sanders in Tamil Nadu and Gujarat, India. The pest was detected in red sanders plantations located in Dharmapuri and Tenkasi districts of Tamil Nadu, as well as in Surat, Navsari, and Tapi districts of Gujarat, India, during August 2023. In both regions, young red sanders trees aged between 2 to 16 years were affected, with incidence levels varying from 2.24% to 10.86% in the affected plantations. Signs of infestation include the presence of galleries, bore holes in cut stems, complete drying, and mortality of the trees. Initially, larvae feed on the bark, and as they mature, they tunnel through the cambium and wood, impeding nutrient flow and leading to tree mortality. The larvae's deep tunneling within the wood makes them difficult to eradicate with pesticides. Adult beetles typically emerge in peak numbers during April to May and November to December, coinciding with their mating period and selection of host plants for egg-laying. This report aims to outline the damage caused by the stem borer in red sanders and document ongoing monitoring efforts to support interim management strategies.

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Xylotrechus smei (Cerambycidae: Cerambycinae: Clytini): a potential threat to red sanders cultivation

Cited by 2 publications

References 15 publications

Morphology of Female Genitalia of Xylotrechus basifuliginosus Heller, 1926 (Coleoptera: Cerambycidae: Clytini)

Morphology of Female Genitalia of Xylotrechus basifuliginosus Heller, 1926 (Coleoptera: Cerambycidae: Clytini)

First Report of Stem Borer (Xylotrechus smei) Occurrence on Red Sanders Plantations of Tamil Nadu and Gujarat, India

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