| Genus List | Species List |Overview |
10a. Scape extremely long and lacking macrochaetae or suberect pubescence of any kind; integument with bluish reflections: longicornis
10b. Scape relatively shorter and always with macrochaetae (which may be difficult to see), pubescence variable, with or without bluish reflections: 20
20a. Scape with macrochaetae inconspicuous, little longer than abundant suberect pubescence; first gastral tergite lacking appressed pubescence: 30
20b. Scape with macrochaetae conspicuous, long, strongly differentiated from appressed pubescence; first gastral tergite with or without appressed pubescence: 60
30a. Color light to dark brown; face usually shagreened, with bluish reflections: austroccidua
30b. Color light brown and face shiny or color strongly bicolored, with orange head and mesosoma, dark brown gaster: 40
40a. Color light brown; face shiny: JTL-014
40b. Color bicolored, with orange head and mesosoma, dark brown gaster: 50
50b. Face shiny: JTL-007
60a. Mesosoma with appressed to suberect pubescence present on various surfaces; propodeum not inflated: 70
60b. Mesosoma with no appressed pubescence; propodeum inflated: 90
70a. Entire body brown and with a scruffy appearance, suberect pubescence abundant on mesosoma and usually on face and first gastral tergite as well, short stubble of forward-slanting macrochaetae usually present on propodeal dorsum, macrochaetae on promesonotum abundant and of uneven lengths: JTL-001
70b. Color various; pubescence fully appressed and strongly differentiated from macrochaetae, no short macrochaetae on propodeal dorsum, macrochaetae of promesonotum fewer and of more even length: 80
80a. Color generally brown with contrastingly lighter front trochanters and middle and hind coxae: steinheili
80b. Color concolorous orange (see also next): guatemalensis
80c. Color uniform brown, including coxae, although trochanters may be lighter: JTL-006
90a. Large and gracile, with elongate mesosoma and long scapes and legs: caeciliae
90b. Relatively smaller and more compact, with shorter mesosoma (a less gracile version of caeciliae): JTL-010
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu
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