Formicinae: key to genera couplet 5
Key: modified from Wheeler & Wheeler (1963), Hölldobler &
Wilson (1990), Bolton (1994)
| Taxa remaining Acanthomyops Formica Lasius Paratrechina Prenolepis |
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Formicinae: key to genera couplet 5
Key: modified from Wheeler & Wheeler (1963), Hölldobler &
Wilson (1990), Bolton (1994)
| Taxa remaining Acanthomyops Formica Lasius Paratrechina Prenolepis |
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|
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| 5. Frontal carinae short but distinct, each a small ridge with a moderately to sharply angulate summit that is sometimes slightly reflected upward (Figs. 37,38); ocelli conspicuous (Figs. 37,38); with gaster in ventral view the first sternite with a conspicuous transverse sulcus behind the helcium; propodeal spiracle elliptical to broadly oval.(collected in all Midwestern states) (1b 2b 3b 4b 5a) |
...Formica |
| Frontal carinae indistinct or absent (Fig. 39). If present, each carina is a small ridge with a distinctly rounded summit; ocelli small or absent; with gaster in ventral view the first sternite without a transverse sulcus behind the helcium; propodeal spiracle circular to subcircular. |
...6. |
| Genus: | F. exsecta group | |
| Formica Linnaeus | F. exsectoides Forel | |
| F. opaciventris Emery | ||
| F. uleki Emery | ||
| F. fusca group | ||
| F. argentea Wheeler, W.M. | ||
| F. canadensis Santschi | ||
| F. fusca Linnaeus | ||
| F. glacialis Wheeler, W.M. | ||
| F. hewitti Wheeler, W.M. | ||
| F. montana Wheeler, W.M. = F. cinerea | ||
| F. neoclara Emery | ||
| F. neorufibarbis Emery | ||
| F. podzolica Francoeur | ||
| F. subaenescens Emery | ||
| F. subsericea (not in ND) | ||
| F. microgyna group | ||
| F. adamsi whymperi Wheeler, W.M.=F. whymperi adamsi | ||
| F. difficilis Emery | ||
| F. impexa Wheeler, W.M. | ||
| F. indianensis Cole | ||
| F. knighti Buren | ||
| F. nepticula Wheeler, W.M. | ||
| F. postoculata Kennedy & Dennis | ||
| F. querquetulana Kennedy & Dennis | ||
| F. spatulata Buren | ||
| F. talbotae Wilson | ||
| F. neogagates group | ||
| <> Proformica | F. bradleyi Wheeler, W.M. =F. neogagates morbida; Taylor (IL) | |
| F. lasioides Emery | ||
| F. limata Wheeler, W.M. | ||
| F. neogagates Viereck | ||
| F. perpilosa Wheeler, W.M. | ||
| F. pallidefulva group | ||
| F. incerta Buren (IA)=F. pallidefulva incerta (IN)=F. pallide-fulva schaufussi incerta; | ||
| F. nitidiventris Emery | ||
| F. pallidefulva Latreille | ||
| F. schaufussi Mayr | ||
| F. schaufussi dolosa Buren | ||
| F. rufa group | ||
| F. ciliata Mayr | ||
| F. criniventris Wheeler, W.M. | ||
| F. dakotensis Emery (IA)=F. dakotensis montigena; | ||
| F. ferocula Wheeler, W.M. | ||
| F. fossaceps Buren | ||
| F. integra Nylander | ||
| F. laeviceps Creighton | ||
| F. obscuripes Forel | ||
| F. obscuriventris Mayr | ||
| F. obscuriventris clivia Creighton | ||
| F. oreas Wheeler, W.M. | ||
| F. oreas comptula Wheeler, W.M. | ||
| F. planipilis Creighton | ||
| F. prociliata Kennedy and Dennis | ||
| F. ravida Creighton =F. haemorrhoidalis | ||
| F. reflexa Buren | ||
| F. subnitens Creighton | ||
| F. sanguinea group | ||
| <> Raptiformica | F. aserva Forel = F. subnuda | |
| F. creightoni Buren | ||
| F. emeryi Wheeler, W.M. | ||
| F. gynocrates Snelling & Buren | ||
| F. obtusopilosa Emery | ||
| F. pergandei Emery = F. sublucida | ||
| F. puberula Emery | ||
| F. rubicunda Emery | ||
| F. subintergra Wheeler, W.M. | ||
| F. wheeleri Creighton |
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