Megachile melanderi (Southwest Leaf-cutter Bee)

Kingdom: Animalia

Phylum: Arthropoda

Class: Insecta

Order: Hymenoptera

Family: Megachilidae

Genus: Megachile

Species: melanderi

Southwest Leaf-cutter Bee - Megachile melanderi

1377719

Species Extent (New Mexico)

Global Rank: G2

State Rank: S1

Rank Metadata
State Rank: S1	Rank Changed: 02/18/2026
Rank Reviewed: N/A
Reason: This species is known from 3 locations in New Mexico. It has an EOO of 6728 km2 and an AOO of 3 cells. As the southwestern United States continues to get hotter and drier, this bee has an expected continuing decline in the extent and quality of habitat, as its entire range occurs in the southwestern United States.

Ecological Factors
Specificity: Narrow. Specialist or community with key requirements common.	Range Extent: 5000-20,000 square km (about 2000-8000 square miles)
Occurences: 1 - 5	Population Size: Unknown
Area of Occupancy: Calculated on RARECAT with GBIF records.	Threat Summary: N/A

State Status:

Federal Status:

USFS Status:

BLM Status: Watch

SWAP Status: SGCN

NMRP Strategy Status:

Number of Subpopulations: 3

Number of Mapped Locations: 4

Number of Observations: 4

Observation date range: 05-23-1963 to 04-26-2010

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