Bellulia bella, Fibiger, 2008

Han, Hui Lin & Kononenko, Vladimir S., 2021, Six new species of the genus Bellulia Fibiger, 2008 from China and Cambodia (Lepidoptera, Erebidae, Hypenodinae). Taxonomic study of Micronoctuini Contribution III, Zootaxa 4938 (1), pp. 117-130 : 122

Bellulia bella species-group

The members of the B. bella species-group differ from other species-groups of Bellulia in their dark black-brownish forewing colouration and darker transverse lines and contrasting yellow or yellowish-orange reniform; in the male genitalia the bears with asymmetrical extensions fused basally; the aedeagus curved subapically and subbasally; the vesica bears a row of 5-10 triangular cornuti, or is without cornuti.

Checklist

B. mariannae Fibiger, 2008

B. parabella Fibiger, 2008

B. hanae Fibiger, 2008

B. jiaxuanae sp. n.

B. bibella Fibiger, 2011

B. jiayiae sp. n.

B. bella Fibiger, 2008

B. kendricki Fibiger, 2010

Key to the species of the bella species-group

1. Antemedial line distinct througthout...................................................................... 2

– Antemedial line distinct only in the latter half.................................................... B. mariannae

2. Saccus common triangular.............................................................................. 3

– Saccus very broad............................................................................ B. kendricki

3. Aedeagus without right angle at terminal part............................................................... 4

– Aedeagus with right angle at terminal part….................................................. B. jiaxuanae sp. n.

4. Sacculus smooth on left valva........................................................................... 5

– Sacculus with triangular extension on left valv..................................................... B. parabella

5. Costa tube-like on right valva............................................................................ 6

– Costa with large triangularle extension on right valva................................................... B. hanae

6. Left ampulla smaller than right ampulla................................................................... 7

– Left ampulla larger than right ampulla................................................................ B. bella

7. Juxta nearly ovoid; apex of aedeagus smooth................................................... B. jiayiae sp. n.

– Juxta ring-shaped; apex of aedeagus with bulge...................................................... B. bibella