Megalodontes cephalotes is a species of sawflies within the Symphyta belonging to the family Megalodontesidae.

[2] This species is restricted to the regions of Europe (Andorra, Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, France, Germany, Italy, North Macedonia, Poland, Romania, Russia, Slovakia, Slovenia, Spain, Switzerland, Yugoslavia).

It inhabits south-facing warm slopes and dry grasslands, at an elevation up to 2,400 metres (7,900 ft) above sea level.

[4] These rather rare sawflies have a black glossy body with narrow light yellow bands on the abdomen.

The head is large, the antennae are pectinate, with darkened flabelli towards the apex.