● Pale stripes present on front and sides of thorax
b ↑
Petaluridae: Key couplet 2 of 4
● Abdomen with ill-defined, pale dorsal and lateral longitudinal stripes, and no pale basal or apical rings
a ↑
Petaluridae: Key couplet 3 of 4
○ Plump ● Approximately upper half of anterior frons yellow ● Male superior anal appendages slightly elongate and with base distinctly black ● inferior appendage predominantly yellow