Isometrus maculatus

Manus of pedipalp is very thin, whereas in males, its width equals that of patella and femur.

Basal middle lamella of female pecten is quadrangular shaped.

Posterior margin of sternite V is straight in females, which is very slightly convex medially in males.

Identification of immature males and females is difficult, but can be separated by observing pectines.

After a single insemination, adult female can gives birth to from three to five broods in captivity.