Peradon ballux

Diagnosis
Body length: male 8–9 mm. The conspicuous golden pile on tergite 4 places this species in the flavofascium species group. Within this group, this species is distinguished by the combination of the following characters: basoflagellomere longer than scape, postpronotum bare, wing cell c bare on posterobasal 1/4 or less, alula largely bare, wing cell r4+5 without yellow colouration.

Distribution
Known from the Argentinian province Misiones and the Brazilian state of Paraná.