Megalogomphus sommeri (Giant hooktail)

Habitat: larvae buried into coarse sands and gravels under bed of streams

General appearance: body very large sized, probably up to 40mm long, covered by long, fine hairs; bat-like antennae; dark markings on femur; abdomen with pairs of dark spots or dashes on each side, especially remarkable markings on terga VI and IX; dorsal spines blunt on abdominal segments III (or II) - IX and lateral spines on segment VII - IX