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10a. Antennae 12-segmented: neotropicus
10b. Antennae 11-segmented (augustae group): 20
20a. In lateral view, dorsal and ventral margins of fourth abdominal segment flat, parallel; pilosity short; dorsum of abdominal segments three and four densely punctate with small puncta; hind tibia with short appressed pubescence and a few differentiated erect setae; color often orange: JTL-002
20b. Dorsal and ventral margins more convex; pilosity longer, giving a scruffy appearance; dorsum of abdominal segments three and four with large puncta or various degrees of effacement of large puncta; hind tibia pilosity various; color red to dark brown: 30
30a. Dorsum of third abdominal segment with a glassy, dimpled look, puncta shallow and partially effaced; dorsum of fourth abdominal segment with puncta effaced posteriorly, forming shallow crescents: 40
30b. Dorsum of third abdominal segment with distinctly formed, entire puncta; dorsum of fourth abdominal segment various, either smooth with no puncta, or with discrete puncta at least anteriorly: 50
40a. Face and pronotal dorsum with dense, finely spaced puncta; size smaller: JTL-006
40b. Face with region just anterior to medial vertex margin with more widely separated puncta and smooth interspaces; pronotum with widely spaced and partially effaced puncta, more like rest of mesosoma and metasoma; size larger: JTL-004
50a. Dorsum of fourth abdominal segment smooth, with no puncta: JTL-003
50b. Dorsum of fourth abdominal segment punctate, at least anteriorly: 60
60a. Dorsal pilosity relatively more erect; size smaller: JTL-001
60b. Dorsal pilosity more decumbent; size larger: JTL-005
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu
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