● Superior anal appendages of male much longer than inferiors ○ Anal appendages of female black
⇒ genus: Neosticta
a ↑
Isostictidae: Key couplet 17 of 22
● Upper margin of posterior lobe of pronotum slightly bowed upwards on each side of midline, then downturned towards lateral horns ● Superior appendages cleaver-shaped, or forcipate
b ↑
Isostictidae: Key couplet 18 of 22
● Broad, pale antehumeral band over outer, lower half to two-thirds of front of synthorax ● Superior appendages cleaver-shaped
⇒ species: Southern Pinfly (Neosticta canescens)
a ↑
Isostictidae: Key couplet 19 of 22
● Posterior lobe of pronotum strongly produced and swollen in midline, its height more than half its width