Gargela minuta Song et al., 2009

Léger, Théo, 2024, Half of the Diversity Undescribed: Integrative Taxonomy Reveals 32 New Species and a High Cryptic Diversity in the Scopariinae and Crambinae of the Philippines (Lepidoptera: Crambidae), Bulletin of the Society of Systematic Biologists 3 (2), pp. 1-93 : 40

Gargela minuta Song et al., 2009

Figs. 27 , 86 , 145 .

Gargela minuta Song et al., 2009, p. 55 , figs. 12, 24. Type locality: Taiwan, Lanyu Island, 270 m.

MATERIAL

7 ♂, 8 ♀, 2 unsexed (detailed information in Table S1; https://doi.org/10.5061/dryad.b8gtht7mh) .

SIMILAR SPECIES

Gargela distigma Song et al., 2009 , Gargela polyacantha Li, 2019 , Gargela bidentella sp. n.

DIAGNOSIS

Among Gargela species of the Philippines, Gargela minuta can be separated on the forewing by the dark brown spots and the ocher coloration of the fringes ( Fig. 27 ). Gargela minuta shows a nearly identical forewing pattern to G. bidentella sp. n., but the fringe spots are more pronounced in G. minuta than G. bidentella sp. n. Both species are unambiguously separated by examination of male genitalia ( Fig. 86 ); the bulky costal process with dorsal bump, the narrowed distal part of the valva, and the tiny cornuti of the vesica separates G. minuta from other Gargela species. This species has similar male genitalia as in G. distigma ; however, in the latter species, the valva has a notched apex, and the vesica lacks the tiny cornuti. In female genitalia ( Fig. 145 ), the following characters separate G. minuta from other Gargela species: the papillae anales are ventrally produced posterad, the posterior apophyses are bent upwards at basal 1/3, the basal half of ductus is covered with tiny spines, and the corpus bursae is pear-shaped with two thorn-shaped signa.

DISTRIBUTION

PHILIPPINES: Luzon (Nueva Vizcaya, Zambales, Laguna), Mindanao (Davao Oriental), Mindoro; Negros. TAIWAN. Collected at altitudes between 150 and 1150 m.

DNA BARCODING

The species delimitation analysis recovered two MOTUs, one for the specimens from Luzon (North Luzon, Zambales, Laguna) and Mindoro and one for the unique female specimen from Mindanao (Davao Oriental). The highest intraspecific divergence observed is of 3.97% between samples MFNLEP-PYRALPHIL07-A08 from Mindanao (Davao) and MFNLEP-PYRALPHIL09-F09 from Luzon (Laguna). Haplotype from the specimen from Taiwan (DNA voucher MFNLEP995) differs by 0.16% from the haplotype from Luzon and Mindoro (see Fig. 179h ).

REMARKS

This is the first record of this species from the Philippines.

Figures

Figs 24-31. Wings of Glaucocharis and Gargela species. Fig. 24. Glaucocharis uncusellus sp. n., ♀, paratype, specimen coll.mfn-berlin.de_u_343871, right wing. Fig. 25. Glaucocharis kayumanggi sp. n., ♀, paratype, specimen coll.mfnberlin.de_u_bd83a4, right wing, female. Fig. 26. Glaucocharis kabundukanis sp. n., ♀, paratype, specimen coll.mfnberlin.de_u_a83ca0, left wing (mirrored), male. Fig. 27. Gargela minuta Song, Chen & Wu, 2009, ♀, specimen coll.mfnberlin.de_u_3b4d30, right wing. Fig. 28. Gargela aculea sp. n., ♀, paratype, specimen coll.mfn-berlin.de_u_613e87, right half. Fig. 29. Gargela acutibrachium sp. n., ♂, paratype, specimen coll.mfn-berlin.de_u_9c8b85, right wing. Fig. 30. Gargela polyacantha Li, 2019, ♂, specimen coll.mfn-berlin.de_u_97a0ae, left side (mirrored). Fig. 31. Gargela xanthocasis (Meyrick, 1897), ♂, specimen coll.mfn-berlin.de_u_fff00c, right wing.

Figs 82-87. Male genitalia of Glaucocharis and Gargela species. Fig. 82. Glaucocharis uncusellus sp. n., holotype, slide TL1310♂. Fig. 83. Glaucocharis kayumanggi sp. n., holotype, slide TL1321♂. Fig. 84. Glaucocharis sungay sp. n., holotype, slide TL1204♂. Fig. 85. Glaucocharis negrosensis sp. n., holotype, slide TL1360♂. Fig. 86. Gargela minuta Song, Chen & Wu, 2009, TL1210M♂. Fig. 87. Gargela aculea sp. n., holotype, slide TL1207♂.

Figs 144-147. Female genitalia of Glaucocharis and Gargela species. Fig. 144. Glaucocharis sp., slide TL1081♀. Fig. 145. Gargela minuta Song, Chen & Wu, 2009, TL1058♀. Fig. 146. Gargela aculea sp. n., paratype, slide TL1049♀. Fig. 147. Gargela polyacantha Li, 2019, slide TL1371♀.

Fig. 179. Haplotype network reconstruction using the Median-joining network method for the species Angustalius malacelloides (a), Culladia hastiferalis (b), Metaeuchromius micralis (c), Scoparia philippinensis (d), Glaucocharis altissima sp. n. (e), Glaucocharis clytia (f), Glaucocharis lathonia (g), Gargela minuta (h).