Matutinal is a term used in the life sciences to describe an organism that is only or primarily active in the pre-dawn hours or early morning. The variant term matinal is used only in entomology, often used in literature on the natural history and ecology of bees. There are numerous genera and species of bees that exhibit this behavior, it is pres... Found on http://en.wikipedia.org/wiki/Matutinal
Mat`u·ti'nal adjective [ Latin matutinalis , matutinus : confer French matutinal . See Matin .] Of or pertaining to the morning; early. Found on http://www.encyclo.co.uk/webster/M/33