Table 2.
Alternative species delimitation hypotheses used in BFD analyses.
| Hypothesis | Distinct Species (total in parentheses) | Motivation |
|---|---|---|
| H1 | Glen Oaks, Santa Ynez, Sitalcina borregoensis, Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Sitalcina flava Topanga, Sitalcina flava Piuma + Palos Verdes, Sitalcina peacheyi, Sitalcina peacheyi MAD, Sitalcina rothi, Sitalcina sura, Sitalcina seca (13 species) | Following STRUCTURE admixture model |
| H2 | Glen Oaks, Santa Ynez, Sitalcina borregoensis, Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Sitalcina flava Topanga, Sitalcina flava Piuma + Palos Verdes, Sitalcina peacheyi, Sitalcina peacheyi MAD, Sitalcina rothi, Sitalcina sura + Sitalcina seca (12 species) | Adjacent Sitalcina sura + Sitalcina seca considered a single species |
| H3 | Glen Oaks, Santa Ynez, Sitalcina borregoensis + Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Sitalcina flava Topanga, Sitalcina flava Piuma + Palos Verdes, Sitalcina peacheyi, Sitalcina peacheyi MAD, Sitalcina rothi, Sitalcina sura, Sitalcina seca (12 species) | Anza-Borrego specimens considered a single species |
| H4 | Glen Oaks, Santa Ynez, Sitalcina borregoensis, Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Sitalcina flava Topanga, Sitalcina flava Piuma + Palos Verdes, Sitalcina peacheyi + Sitalcina peacheyi MAD, Sitalcina rothi, Sitalcina sura, Sitalcina seca (12 species) | Sitalcina peacheyi as single species |
| H5 | Santa Ynez, Sitalcina borregoensis, Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Sitalcina flava Topanga, Sitalcina flava Piuma + Palos Verdes, Sitalcina peacheyi, Sitalcina peacheyi MAD, Glen Oaks + Sitalcina rothi, Sitalcina sura, Sitalcina seca (12 species) | Coastal STRUCTURE results + Desert no-admixture model results |
| H6 | Glen Oaks, Santa Ynez, Sitalcina borregoensis, Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Palos Verdes + Sitalcina flava, Sitalcina peacheyi, Sitalcina peacheyi MAD, Sitalcina rothi, Sitalcina sura, Sitalcina seca (12 species) | Sitalcina flava and Palos Verdes as single species |
| H7 | Glen Oaks, Sitalcina borregoensis, Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Santa Ynez + Sitalcina flava + Palos Verdes, Sitalcina peacheyi, Sitalcina peacheyi MAD, Sitalcina rothi, Sitalcina sura, Sitalcina seca (11 species) | coastal southern CA a single species |
| H8 | Glen Oaks, Santa Ynez, Sitalcina borregoensis + Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Sitalcina flava Topanga, Sitalcina flava Piuma + Palos Verdes, Sitalcina peacheyi + Sitalcina peacheyi MAD, Sitalcina rothi, Sitalcina sura, Sitalcina seca (11 species) | Sitalcina peacheyi as single species; Anza-Borrego specimens considered a single species |
| H9 | Sitalcina borregoensis + Borrego Palm Canyon, Sitalcina catalina, Sitalcina chalona, Sitalcina flava +Santa Ynez + Palos Verdes, Sitalcina peacheyi + Sitalcina peacheyi MAD, Sitalcina rothi + Glen Oaks, Sitalcina sura + Sitalcina seca (7 species) | Putative species grouped with geographic neighbors |