IUCN SSC Mid-Atlantic Island Invertebrates Specialist Group

Species

BackDelagrangeus schurmanni Sama, 1985

Delagrangeus schurmanni Sama, 1985

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Insecta
  • Order: Coleoptera
  • Family: Cerambycidae
VU Vulnerable
IUCN Red List Status:

Countries of Occurrence:
Spain - Canaries

Archipelago(s):
Canaries

Assessor/s:
Nardi, G. & Mico, E.

Reviewer/s:
Alexander, K. & Nieto, A.

Contributor/s:

Facilitators / Compilers/s:


Assessment Rationale:

European regional assessment: listed as Vulnerable under criterion D2 in view that it is only known from four sites on three different islands and it is endemic to the Canary Islands. It may possibly qualify as Vulnerable or Endangered under Criterion B, but it is difficult to say because there is little information on population trend, and it is not known whether suitable habitat is stable or decreasing.

EU 27 regional assessment: listed as Vulnerable under criterion D2 in view that it is only known from four sites on three different islands and it is endemic to the Canary Islands. It may possibly qualify as Vulnerable or Endangered under Criterion B, but it is difficult to say because there is little information on population trend, and it is not known whether suitable habitat is stable or decreasing.

Geographic Range:

This species is only found in the Spanish archipelago of the Canary Islands in the Atlantic Ocean. Endemic to the Canary Islands. Known from Tenerife, La Gomera, and El Hierro. Reported from five sites by Gonzáles Peña et al. (2007).

Regions:
Spain - Canaries
Extent of Occurrence (EOO):
(km2)
Area of Occupancy (AOO):
(km2)
Elevation Lower Limit:
(m)
Elevation Upper Limit:
(m)
Biogeographic Realms:
Paleartic
Presence:
Extant
Origin:
Endemic Canaries
Seasonality:
Resident

Population:

There is little information available on the abundance of this species.

Habitat and Ecology

This is an obligate saproxylic species. Found in the deadwood of juniper trees (Juniperussp.) in woodland, but no information is available on any requirements for canopy open-ness.

Major Threat(s):

Conservation Actions

No specific conservation measures are in place for this species. It does not appear to occur in any protected areas. Further research is needed to determine what current and potential threats are present for this species.