Xylosandrus mesuae (Eggers, 1930) Fig. 96C, D, J
Xyleborus mesuae Eggers, 1930: 182.
Xylosandrus mesuae (Eggers): Browne 1963: 55.
Type material.
Holotype (FRI), paratype (NMNH, 1).
New records.
China: Hong Kong, Tai Po Kau, vi.2017, J. Skelton, ex Machilus (MSUC, 3). India: Arunachal Pradesh, Etalin vicinity, 28°36'56"N, 95°53'21"E, 700 m, L. Dembický, 12-25.v.2012 (ZFMK, 1). Taiwan: Yilan, Toucheng Township, 8.vii.2017, C.-S. Lin (MSUC, 1). Thailand: Chumporn sic [= Chumphon Province], Durian Orchard, 1.ii.2010, Wisut [Sittichaya], EtOH trap (MSUC, 1). Mae Hong Son, Pang Mapha, Sop Pong, 605 m, 20-24.vii.2009, J.B. Heppner (FSCA, 1).
Diagnosis.
1.3-1.7 mm long (mean = 1.5 mm; n = 5); 2.29-2.6 × as long as wide. This species is distinguished by its minute size; elytral disc gradually curving toward declivity, elytra rounded; elytral disc convex, disc as long as declivity; posterolateral margins of elytra carinate to interstriae 7; declivital face with six punctate striae; declivital striae setose, setae semi-recumbent hair-like, less than the width of one interstria; interstriae granulate, uniseriate with erect hair-like setae longer than the width of one interstria; pronotum wider than long, 0.82-0.90 × as long as wide, from dorsal view rounded (type 1) and lateral view rounded (type 0), summit at midpoint, basal 1/2 smooth, shiny, sparsely minutely punctate; and sparse mycangial tuft on the pronotal base.
Similar species.
Xylosandrus adherescens, X. compactus, X. derupteterminatus, X. morigerus .
Distribution.
China* (Hong Kong*), India (Arunachal Pradesh, Uttarakhand, West Bengal), Sri Lanka, Taiwan, Thailand.
Host plants.
Recorded from Mesua ( Calophyllaceae), Dipterocarpus, Shorea ( Dipterocarpaceae), Macaranga ( Euphorbiaceae), Osbeckia ( Melastomataceae) (Dole and Cognato 2010), and Machilus ( Lauraceae).