Gnathonomia thoracica ( Smith, 1875 )

Gnathonomia thoracica ( Smith, 1875) View in CoL ( Fig. 2K–L View Figure 2 )

Nomia thoracica Smith, 1875:45 View in CoL . Lectotype ♂, Calcutta – BMNH.

Material examined. 3♂♂ 1♀, India, Kerala, Thrissur, Kottat, near Chalakudy river ( 10°16'52.4208"N,

76°18'39.8592"E), 14.xi.2023, Swept, leg.: CSA. 1♂, Chengaloor , near Kurumali river ( 10°23'36.0744"N, 76°18'16.4376"E), 15.xii.2023, Swept, leg.: CSA GoogleMaps .

Brief diagnosis. ♂, Body length up to 13 mm. Dense short felt-like hairs completely covered over mesoscutum and scutellum, hind femora moderately swollen, hind tibiae curved toward inside, exteriorly swollen gradually to apex. ♀, Body length, colour, pubescence, tergites same as in males.

Distribution in India. Goa, Karnataka, Rajasthan, Sikkim, Tamil Nadu, West Bengal ( Pauly, 2009; Saini & Rathor, 2012; Pannure & Belavadi, 2017; Prakash et al., 2020; Majumder et al., 2024; Ascher & Pickering, 2025).

General distribution. Oriental – Cambodia, China, India, Indonesia, Laos, Malaysia, Mindanao, Myanmar, San Clemente, Santiago, Taiwan, Thailand, Vietnam ( Ascher & Pickering, 2025).

Floral association. Buddleja sp. ( Scrophulariaceae ), Hibiscus syriacus ( Malvaceae ), Homonoia riparia ( Euphorbiaceae ), Leonurus japonicus ( Lamiaceae ), Vitex negundo ( Lamiaceae ), Ziziphus spinosa ( Rhamnaceae ) ( Zhang et al., 2020); Merremia hederacea ( Convolvulaceae ) ( Karunaratne et al., 2005); Cleome rutidosperma ( Cleomaceae ), Mimosa pudica ( Fabaceae ), Sesamum radiatum ( Pedaliaceae ) ( New records).