Myllocerus curvicornis

Myllocerus curvicornis (Fabricius, 1792) Fig. 2 C, D Curculio curvicornis Fabricius, 1792: 488. Type locality: India orientalis; Type repository: Zoological Museum, University of Copenhagen. Type not examined. = Myllocerus transmarinus Boheman, 1834: 429; Marshall 1916: 343; Ramamurthy and Ghai 1988: 455. Type locality: India orientalis; Type repository: Swedish Museum of Natural History, Stockholm. Material examined. Sri Lanka • 1 ♂ 1 ♀; North Central Province, Dambewatana, Galkiriyagama; 7°56.2'N, 80°33.61'E; 8 Jan. 2020; KJ. Hong leg.; on Mangifera indica (Anacardiaceae); SCNU • 1 ♂ 1 ♀; North Central Province, Bakamuna, Sirikanduyaya; 7°46.99'N, 80°50.54'E; 20 Feb. 2024; DD. Wijesinghe leg.; on Gliricidia sepium (Fabaceae); SCNU • 1 ♂; Western Province, Colombo; 7–27 Apr. 1882; G. Lewis leg.; NHMUK, NHMUK 013663873. Diagnosis. Body black to dark brown, with grey and brown scaling. Prothorax dorsally either dark brown with a narrow median pale brown line, or pale brown with a dark brown, longitudinal, lateral stripes. Elytra dark to pale brown dorsally, irregularly mottled with small grey spots, occasionally partly confluent. Lateral margins of head, prothorax, and elytra, as well as ventral surfaces, grey to whitish. Head with sparse obscure punctation concealed by scaling; eyes sublateral. Antennae dark brown, with depressed grey setae; funicular antennomere 2 distinctly longer than 1, funicular antennomere 3 slightly longer than 4. Prothorax transverse, sides slightly rounded, posterior margin moderately bisinuate, not broader than anterior margin. Elytra rather broad, separately rounded at base, deeply puncto-striate, punctures clearly visible through scaling; setae very short and recumbent. Legs dark brown with grey scaling; femora unidentate; tibiae simple. Remarks. This species is closely related to M. subfasciatus Guérin-Méneville, 1843, but differs by the following characters: funicular antennomere 2 distinctly longer than 1, funicular antennomere 3 slightly longer than 4; funicular antennomeres 2–6 without conspicuous white setae; metafemora unidentate. Plant association. Psophocarpus tetragonolobus (Fabaceae), Vachellia nilotica (= Acacia arabica) (Fabaceae), Acacia decurrens (Fabaceae), Melastoma malabathricum (Melastomataceae), Theobroma cacao (Malvaceae), Camellia sinensis (Theaceae), Cocos nucifera (Arecaceae), Ziziphus mauritiana (Rhamnaceae), Rosa spp. (Rosaceae), Erythrina lithosperma (Fabaceae), Gliricidia sepium (Fabaceae), Mangifera indica (Anacardiaceae) (Ramamurthy and Ghai 1988; Shanthichandra et al. 1990; Marshall 1916). Distribution. Sri Lanka, India.