Appearance
Most adult individuals of "B. adventitium" are 5–8 cm in length. The head is expanded and fan-shaped, being easily distinguishable from other common species of "Bipalium", such as "Bipalium kewense" and "Bipalium pennsylvanicum", because these have a head in the shape of a half moon. The body has a yellow to tan color and has one dark dorsal stripe that does not extend over the head.Reproduction
Differently from "Bipalium kewense", which usually reproduces asexually by fission, "Bipalium adventitium" more commonly reproduces sexually. It is suggested that it has only one breeding season per year. As in most land planarians, mating occurs by internal fertilization when two individuals meet. The eggs are deposited in egg capsules and after about 3 weeks they release 1–6 juveniles.References:
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