WARNING: bad value for
Pyramica ohioensis Insecta/Hymenoptera/Formicidae/Pyramica/ohioensis authority="(Kennedy & Schramm)" level="species" morph="worker" sex="female" common_name="Smithistruma ohioensis"

WARNING: bad value for
Formica difficilis Insecta/Hymenoptera/Formicidae/Formica/difficilis authority="Emery" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica opaciventris Insecta/Hymenoptera/Formicidae/Formica/opaciventris authority="Emery" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica mucescens Insecta/Hymenoptera/Formicidae/Formica/mucescens authority="Wheeler" level="species" morph="worker" sex="female"

WARNING: bad value for
Myrmecocystus christineae Insecta/Hymenoptera/Formicidae/Myrmecocystus/christineae authority="Snelling" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole cerebrosior Insecta/Hymenoptera/Formicidae/Pheidole/cerebrosior authority="Wheeler 1915b: 405" level="species" morph="major worker" sex="female"

WARNING: bad value for
Pheidole marcidula Insecta/Hymenoptera/Formicidae/Pheidole/marcidula authority="Wheeler, 1908h: 457" level="species" morph="major worker" sex="female"

WARNING: bad value for
Formica ferocula Insecta/Hymenoptera/Formicidae/Formica/ferocula authority="Wheeler" level="species" morph="worker" sex="female"

WARNING: bad value for
Amblyopone pallipes Insecta/Hymenoptera/Formicidae/Amblyopone/pallipes authority="(Haldeman) 1844" level="species" morph="worker" sex="female" common_name="Stigmatomma pallipes"

WARNING: bad value for
Pogonomyrmex pima Insecta/Hymenoptera/Formicidae/Pogonomyrmex/pima authority="(Wheeler)" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole xerophila Insecta/Hymenoptera/Formicidae/Pheidole/xerophila authority="Wheeler 1908h: 446" level="species" morph="major worker" sex="female"

WARNING: bad value for
Paratrechina vividula Insecta/Hymenoptera/Formicidae/Paratrechina/vividula authority="(Nylander)" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole carrolli Insecta/Hymenoptera/Formicidae/Pheidole/carrolli authority="Naves 1985: 58" level="species" morph="minor worker" sex="female"

WARNING: bad value for
Cyphomyrmex wheeleri Insecta/Hymenoptera/Formicidae/Cyphomyrmex/wheeleri authority="Forel" level="species" morph="worker" sex="female"

WARNING: bad value for
Paratrechina guatemalensis Insecta/Hymenoptera/Formicidae/Paratrechina/guatemalensis authority="(Forel, 1901)" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica aserva Insecta/Hymenoptera/Formicidae/Formica/aserva authority="Forel" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole hyatti Insecta/Hymenoptera/Formicidae/Pheidole/hyatti authority="Emery 1895d: 295" level="species" morph="major worker" sex="female"

WARNING: bad value for
Tapinoma sessile Insecta/Hymenoptera/Formicidae/Tapinoma/sessile authority="(Say)" level="species" morph="worker" sex="female"

WARNING: bad value for
Neivamyrmex isodentatus Insecta/Hymenoptera/Formicidae/Neivamyrmex/isodentatus authority="MacKay" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica fuliginothorax Insecta/Hymenoptera/Formicidae/Formica/fuliginothorax authority="Blacker" level="species" morph="worker" sex="female"

WARNING: bad value for
Stenamma exasperatum Insecta/Hymenoptera/Formicidae/Stenamma/exasperatum authority="Snelling" level="species" morph="worker" sex="female"

WARNING: bad value for
Cryptopone gilva Insecta/Hymenoptera/Formicidae/Cryptopone/gilva authority="(Roger, 1863)" level="species" morph="worker" sex="female"

WARNING: bad value for
Neivamyrmex baylori Insecta/Hymenoptera/Formicidae/Neivamyrmex/baylori authority="Watkins" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole psammophila Insecta/Hymenoptera/Formicidae/Pheidole/psammophila authority="Creighton & Gregg 1955: 15" level="species" morph="minor worker" sex="female"

WARNING: bad value for
Stenamma diecki Insecta/Hymenoptera/Formicidae/Stenamma/diecki authority="Emery" level="species" morph="worker" sex="female"

WARNING: bad value for
Pyramica cloydi Insecta/Hymenoptera/Formicidae/Pyramica/cloydi authority="(Pfitzer)" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica knighti Insecta/Hymenoptera/Formicidae/Formica/knighti authority="Buren" level="species" morph="worker" sex="female"

WARNING: bad value for
Neivamyrmex andrei Insecta/Hymenoptera/Formicidae/Neivamyrmex/andrei authority="(Emery)" level="species" morph="worker" sex="female"

WARNING: bad value for
Crematogaster rifelna Insecta/Hymenoptera/Formicidae/Crematogaster/rifelna authority="Buren" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole teneriffana Insecta/Hymenoptera/Formicidae/Pheidole/teneriffana level="species" morph="minor worker" sex="female"

WARNING: bad value for
Stenamma snellingi Insecta/Hymenoptera/Formicidae/Stenamma/snellingi authority="Bolton" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica exsectoides Insecta/Hymenoptera/Formicidae/Formica/exsectoides authority="Forel" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica creightoni Insecta/Hymenoptera/Formicidae/Formica/creightoni authority="Buren" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole californica Insecta/Hymenoptera/Formicidae/Pheidole/californica authority="Mayr 1870b: 987" level="species" morph="major worker" sex="female"

WARNING: bad value for
Pseudomyrmex pallidus Insecta/Hymenoptera/Formicidae/Pseudomyrmex/pallidus authority="(Smith)" level="species" morph="worker" sex="female"

WARNING: bad value for
Formica reflexa Insecta/Hymenoptera/Formicidae/Formica/reflexa authority="Buren" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole sciophila Insecta/Hymenoptera/Formicidae/Pheidole/sciophila level="species" morph="minor worker" sex="female"

WARNING: bad value for
Pheidole texana Insecta/Hymenoptera/Formicidae/Pheidole/texana authority="Wheeler 1903c: 97" level="species" morph="major worker" sex="female"

WARNING: bad value for
Pheidole rhea Insecta/Hymenoptera/Formicidae/Pheidole/rhea authority="Wheeler, 1908h: 452" level="species" morph="minor worker" sex="female"

WARNING: bad value for
Prenolepis imparis Insecta/Hymenoptera/Formicidae/Prenolepis/imparis authority="Emery (1893)" level="species" morph="worker" sex="female" common_name="Prenolepis imparis_arizonica; Prenolepis imparis_californica; Prenolepis imparis_coloradensis"

WARNING: bad value for
Proceratium pergandei Insecta/Hymenoptera/Formicidae/Proceratium/pergandei authority="(Emery)" level="species" morph="worker" sex="female"

WARNING: bad value for
Crematogaster mutans Insecta/Hymenoptera/Formicidae/Crematogaster/mutans authority="Buren" level="species" morph="worker" sex="female"

WARNING: bad value for
Cardiocondyla ectopia Insecta/Hymenoptera/Formicidae/Cardiocondyla/ectopia authority="Snelling" level="species" morph="worker" sex="female"

WARNING: bad value for
Dorymyrmex elegans Insecta/Hymenoptera/Formicidae/Dorymyrmex/elegans authority="(Trager)" level="species" morph="worker" sex="female"

WARNING: bad value for
Solenopsis amblychila Insecta/Hymenoptera/Formicidae/Solenopsis/amblychila authority="Wheeler" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole sciara Insecta/Hymenoptera/Formicidae/Pheidole/sciara authority="Cole 1955a: 47" level="species" morph="major worker" sex="female"

WARNING: bad value for
Pseudomyrmex brunneus Insecta/Hymenoptera/Formicidae/Pseudomyrmex/brunneus authority="(Smith)" level="species" morph="worker" sex="female"

WARNING: bad value for
Pheidole bicarinata Insecta/Hymenoptera/Formicidae/Pheidole/bicarinata authority="Mayr, 1870b: 989" level="species" morph="minor worker" sex="female"

Antenna segment number | Genus | Head main color | Thorax spine number | Waist bumps | Wings or wing scars present

Check boxes for all that apply. If uncertain, skip character or select several states. Then click on any search button.
Navigate with above index or scroll bar.

Number scored for a state is in green.

1. Waist bumps


2. Antenna segment number


3. Thorax spine number


4. Head main color


5. Wings or wing scars present


6. Genus