Merulempista, Roesler, 1967

Liu, Hongxia, Zhang, Xiuying & Li, Houhun, 2022, Two new species of the genus Merulempista Roesler, 1967 from China (Lepidoptera, Pyralidae, Phycitinae), Zootaxa 5150 (2), pp. 293-300 : 294

Key to the species of Merulempista from China

1. Forewing with a round spot inside antemedial line ( Fig. 4 ).................................................... 2

- Forewing without spot inside antemedial line............................................................... 3

2. Male flagella with pectination on basal 2/3 of ventral side, costa with a small thorn distally ( Fig. 5 ), posterior margin of antrum serrated in female genitalia ( Fig. 7 )....................................................... M. pectinata sp. nov.

- Male flagellae without pectination, costa without thorn, posterior margin of antrum smooth in female genitalia ( Ren and Li, 2011)................................................................................. M. cyclogramma

3. Distal part of process in costa blunt ( Fig. 3 ).......................................... M. similirubriptera sp. nov.

- Distal part of process in costa pointed..................................................................... 4

4. Costal process triangular, cornuti not reach end of phallus........................................... M. rubriptera

- Costal process digitiform, cornuti reach end of phallus....................................................... 5

5. Distal process of costa obliquely upward, forms an acute angle with valva at outside ( Ren and Li, 2011)..................................................................................................... M. obliquifasciella

- Distal process of costa almost straightly bending outward, forms a right angle with valva at outside ( Ren and Li, 2011).............................................................................................. M. cingillella

Figures

FIGURES 4–5. Merulempista pectinata sp. nov. 4, Adult, paratype, female; 5, Male genitalia, phallus, and 8th abdominal segment, holotype, slide no. LHX13258. Scale bar: 1.0 mm.

FIGURES 6–7. Female genitalia of Merulempista species. 6, M. similirubriptera sp. nov., paratype, slide no. LHX13254; 7, M. pectinata sp. nov., paratype, slide no. LHX11128. Scale bar: 1.0 mm.

FIGURES 1–3. Merulempista similirubriptera sp. nov. 1, Adult, paratype, male; 2, Wings, paratype, slide no. LHX13259; 3, Male genitalia, phallus, and 8th abdominal segment, holotype, slide no. LHX13253. Scale bar: 1.0 mm.