Chris Mattison / Giraffe necked weevils (Trachelophorus giraffa) male. Endemic to Andasibe, Madagascar.

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 photographed on white background, tropical rainforest, Andasibe-Mantadia National Park, Madagascar

Nick Garbutt / Male Giraffe-necked Weevil (Trachelophorus giraffa) Montane rainforest, Vohiparara, Ranomafana National Park, Madagascar.

Kim Taylor / Giraffe necked weevil (Trachelophorus giraffa) male, captive, Madagascar

Inaki Relanzon / Male (right) and female Giraffe necked weevils (Trachelophorus giraffa) on leaf, Ranomafana National Park, Madagascar

Chris Mattison / Giraffe-necked weevil (Trachelophorus giraffa) egg case wrapped in the leaves of its food plant (Dichaetanthera sp). Ranomafana,National Park, Madagascar.

Lucas Bustamante / Giraffe weevil (Trachelophorus giraffa) Andasibe-Mantadia National Park, Moramanga, Madagascar.

Lucas Bustamante / Giraffe weevil (Trachelophorus giraffa) Andasibe-Mantadia National Park, Moramanga, Madagascar . May, 2017

Nick Garbutt / Photographing a male Giraffe-necked Weevil (Trachelophorus giraffa). Andasibe-Mantadia National Park, eastern rainforest, 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

Inaki Relanzon / Giraffe-necked weevil (Trachelophorus giraffa) on leaf, Ranomafana National Park, East Madagascar.

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

Edwin Giesbers / Giraffe-necked weevil (Trachelophorus giraffa) Madagascar

Inaki Relanzon / Giraffe necked weevil (Trachelophorus giraffa) on leaf, Ranomafana National Park, Madagascar.

Premaphotos / Giraffe weevil (Trachelophorus giraffa) male in rainforest, Madagascar

Pete Oxford / Male Giraffe necked weevil (Trachelophorus giraffa) Perinet Special Reserve, Madagascar

Pete Oxford / Male Giraffe necked weevil (Trachelophorus giraffa) Perinet Special Reserve, Madagascar

Pete Oxford / Giraffe necked weevil, male female pair (Trachelophorus giraffa) Ranomafana, Madagascar

Nick Garbutt / Giraffe necked weevil, Madagascar.

Pete Oxford / Giraffe necked weevil {Trachelophorus giraffa} male Perinet SR, Madagascar

Premaphotos / Giraffe weevil (Trachelophorus giraffa) male in rainforest, Madagascar

Lorraine Bennery / Giraffe necked weevil (Trachelophorus giraffa) Ranomafana National Park, Madagascar.