Lasioglossum (Dialictus) cactorum Gardner & Gibbs 2020, sp. nov.
The ‘ red-tailed’ Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic
Fig. 93. Mesoscutum. A. Lasioglossum (D.) tessellatosum sp. nov., ♀, with strong microsculpture and sparse punctures. B. L. (D.) droegei Gibbs, 2009, ♂, with strong microsculpture and dense punctures. C. L. (D.) cactorum sp. nov., ♀, shiny and sparsely punctate. Scale bars: 0.5 mm.
Fig. 114. T1–3. A. Lasioglossum (D.) cactorum sp. nov., ♂, convex with rims strongly downcurved (arrows). B. L. (D.) clematisellum (Cockerell, 1904), ♂, flat. Scale bars: 1 mm.
Fig. 18. Georeferenced collection records of Lasioglossum (D.) cactorum sp. nov. (black squares) and predicted distribution by maximum entropy ecological niche modeling in Maxent (colour shading). Warmer colours indicate higher cloglog probability of occurrence.