Only females of Spiroctenus flavopunctatus are known to science. The spider is olivaceous in color with yellow streaks. The chelicerae are nearly black. The legs are olivaceous, but the patellae and naked strips on the tibiae and metatarsi are yellowish. The opisthosoma is deep purplish black with numerous conspicuous roundish paleyellow spots above and at the sides, but lacks the typical tree-pattern. Females have 28-32 cuspules on the labium and 38-52 cuspules on the maxillae. The paired tarsal claws have 2-4 teeth on the inner margin and 2-3 teeth on the outer margin. The total length is 17millimeters.
Conservation
The species is listed as Data Deficient for taxonomic reasons, as males remain unknown and the full speciesrange requires further study.