In limestone hole at the flats.
In ephemeral pond
cf. magna?
with @jmneiva
Mostly males
Females on photos #1 and #3 with eggsacs and more extensively red caudal furca extending to the nearest body segments
with @jmneiva
Compare with https://pubmed.ncbi.nlm.nih.gov/25232624/
Photo #1 2 females
Photo #2 male
Photo #3 female
photo #4 male below vs male Chirocephalus diaphanus above
photo #5 female at the center vs Chirocephalus diaphanus around and below
photo #6 male at the center vs Chirocephalus diaphanus above
Note transparent caudal furca vs. red caudal furca of Chirocephalus
In females, egg sacs are sort of cigar shaped (approx. fusiform) with brown eggs (and have a pale blue tinge Margarida Maló Machado, com. pess.)
Photo #7 female
with @jmneiva