Alex Hyde / Giraffe necked weevil {Trachelophorus giraffa} male on leaf of host plant (Dichaetanthera cordifolia) tropical rainforest, Mantadia NP, Madagascar

Alex Hyde / Giraffe Necked Weevil (Trachelophorus giraffa) male on leaf of Dichaetanthera cordifolia. Tropical rainforest, Mantadia National Park, Madagascar.

Alex Hyde / Giraffe Necked Weevil (Trachelophorus giraffa) male on leaf of Dichaetanthera cordifolia. Tropical rainforest, Mantadia National Park, Madagascar.

Nick Garbutt / Egg case made by a female Giraffe-necked weevil (Trachelophorus giraffa) from the leaf of favourite host tree (Dichaetanthera cordifolia), a single egg is laid inside, Ranomafana National Park, easter...

Nick Garbutt / Egg cases made by a female Giraffe-necked weevil (Trachelophorus giraffa) from the leaf of favourite host tree (Dichaetanthera cordifolia), a single egg is laid inside, Ranomafana National Park, easte...

Nick Garbutt / Egg of Giraffe-necked weevil (Trachelophorus giraffa) laid inside the leaf of favourite host tree (Dichaetanthera cordifolia), Ranomafana National Park, eastern Madagascar, November

Alex Hyde / Giraffe necked weevil {Trachelophorus giraffa} male on leaf of host plant (Dichaetanthera cordifolia) tropical rainforest, Mantadia NP, Madagascar

Alex Hyde / Giraffe necked weevil {Trachelophorus giraffa} female on leaf of host plant (Dichaetanthera cordifolia) tropical rainforest, Mantadia NP, Madagascar

Alan Watson / Male Giraffe-necked weevil (Trachelophorus giraffa) on leaf of bush (Dichaetanthera cordifolia), Andasibe-Mantadia National Park, Madagascar