Head, mandible, shape along upper or dorsal margin | Problematic species in which only the types are known or their identification is uncertain | Species currently listed as subspecies, but now considered to be species | Species for which only males are known | Species thought to be synonyms of other species | Thorax, pronotum, lateral or humeral ridge, shape | Thorax, propodeum, triangle, percent distance from the base to the rim that raised reticulations are present | Thorax, scutum, pits in the center | Total length in millimeters

Check boxes for all that apply. If uncertain, skip character or select several states. Then click on any search button.
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Number scored for a state is in green.

1. Species thought to be synonyms of other species

5DISPLAY these species    36RECOMMENDED - Drop these species from list   

2. Species currently listed as subspecies, but now considered to be species

21Drop these species from the list    41RECOMMENDED- Include these species on the list   

3. Species for which only males are known

2Display these species    39RECOMMENDED- Drop these species from the list   

4. Problematic species in which only the types are known or their identification is uncertain

4DISPLAY - Show all these species    37RECOMMENDED- Drop these species from the list   

5. Total length in millimeters

104    185    236    197    198    149    1410    1111    312    113   

6. Thorax, propodeum, triangle, percent distance from the base to the rim that raised reticulations are present

341. 100    112. 95 to 50    13. Less than 50   

7. Thorax, pronotum, lateral or humeral ridge, shape

16Ridge rounded over, not sharply defined    32Strongly angled, with a sharp clear edge   

8. Head, mandible, shape along upper or dorsal margin

16Entire, an unbroken smooth line    16Margin disrupted by a distinct projecting angle in the outline just back from the tip of the mandible    25With a distinct subapical rounded tooth set back a short distance from the tip   

9. Thorax, scutum, pits in the center

211. All pits touching one another    222. Many pits touching one another    183. Some pits touching but the majority not    134. No pits touching one another