Xylosandrus pygmaeus explained

Xylosandrus pygmaeus, is a species of weevil found in Indonesia, Malaysia and Sri Lanka.[1] [2]

Description

Body length of the female ranges from 1.3 to 1.4 mm. Body light brown to dark brown. Antennae and legs are yellowish brown. Antennea with 5 funicular segments and obliquely truncate club. Pronotal vestiture is semi-appressed and with hairy setae. Pronotal base covered with a dense patch of short erect setae that resemble a pronotal-mesonotal mycangium. Pronotal disc is glabrous. Pronotum consists with lateral costa and carina. Protibiae with 4 socketed teeth, whereas mesotibiae with 6 and metatibiae with 5 socketed teeth. In elytra, discal striae and interstriae uniseriate are punctate. Declivital elytral face is convex, steep and abruptly separated from disc. Declivity is flattened.[3]

A polyphagous species, host plants of the species are Litsea amara, and Vitex pubescens.

Notes and References

  1. Wood . Stephen L. . 1984 . New Generic Synonymy and New Genera of Scolytidae (Coleoptera) . 2021-09-06 . The Great Basin Naturalist . 44 . 2 . 223–230. 41712067 .
  2. Web site: HISL - PEET Scolytinae . 2021-09-06 . xyleborini.speciesfile.org.
  3. Web site: Phylogenetic revision of Xylosandrus Reitter (Coleoptera: Curculionidae: Scolytinae: Xyleborina) . 2021-09-05 . Proceedings of the California Academy of Sciences Volume: 61 :451-545.