Formicinae
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The Formicinae are a subfamily within the Formicidae containing ants of moderate evolutionary development.
Formicines retain some primitive features, such as the presence of cocoons around pupae, the presence of ocelli in workers, and little tendency toward reduction of palp or antennal segmentation in most species, except subterranean groups. Extreme modification of mandibles is rare, except in the genera Myrmoteras and Polyergus. However, some members show considerable evolutionary advancement in behaviors such as slave-making and symbiosis with root-feeding hemipterans. Finally, all formicines have very reduced stings and enlarged venom reservoirs, with the venom gland, specialized (uniquely among ants) for the production of formic acid.Template:Citation needed
All members of the Formicinae "have a one-segmented petiole in the form of a vertical scale".<ref>Template:Cite book</ref>
Identification
Formicine ants have a single node-like or scale-like petiole (postpetiole entirely lacking) and the apex of the abdomen has a circular or U-shaped opening (the acidopore), usually fringed with hairs. A functional sting is absent, and defense is provided by the ejection of formic acid through the acidopore. If the acidopore is concealed by the pygidium and difficult to discern, then the antennal sockets are located well behind the posterior margin of the clypeus (cf. Dolichoderinae). In most formicines, the eyes are well developed (ocelli may also be present), the antennal insertions are not concealed by the frontal carinae, and the promesonotal suture is present and flexible.<ref>Template:Cite web</ref>
Tribes and genera
The tribal structure of the Formicinae is not completely understood. This list follows the scheme at AntCat,<ref name="AntCat">Template:Citation</ref> but other schemes and names are used. Template:Div col
- Camponotini Forel, 1878
- Calomyrmex Emery, 1895
- Camponotus Mayr, 1861
- †Chimaeromyrma Dlussky, 1988
- Colobopsis Mayr, 1861
- Dinomyrmex Ashmead, 1905
- Echinopla Smith, 1857
- Lathidris Ward et al, 2025
- Opisthopsis Dalla Torre, 1893
- Overbeckia Viehmeyer, 1916
- Polyrhachis Smith, 1857
- †Pseudocamponotus Carpenter, 1930
- Retalimyrma Ward et al, 2025
- Uwari Ward et al, 2025
- Formicini Latreille, 1809
- Alloformica Dlussky, 1969
- †Asymphylomyrmex Wheeler, 1915
- Bajcaridris Agosti, 1994
- Cataglyphis Foerster, 1850
- †Cataglyphoides Dlussky, 2008
- †Conoformica Dlussky, 2008
- Formica Linnaeus, 1758
- †Glaphyromyrmex Wheeler, 1915
- Iberoformica Tinaut, 1990
- Polyergus Latreille, 1804 – Amazon ants
- Proformica Ruzsky, 1902
- †Protoformica Dlussky, 1967
- Rossomyrmex Arnol'di, 1928
- Gesomyrmecini Ashmead, 1905
- Gesomyrmex Mayr, 1868
- †Prodimorphomyrmex Wheeler, 1915
- †Sicilomyrmex Wheeler, 1915
- Gigantiopini Ashmead, 1905
- Gigantiops Roger, 1863 (Neotropical)
- Lasiini Ashmead, 1905
- Cladomyrma Wheeler, 1920
- Euprenolepis Emery, 1906
- Lasius Fabricius, 1804 – cornfield ants, citronella ants
- Metalasius Boudinot et al., 2022
- Myrmecocystus Wesmael, 1838 – honeypot ants
- Nylanderia Emery, 1906 – crazy ants
- Paraparatrechina Donisthorpe, 1947
- Paratrechina Motschoulsky, 1863
- Prenolepis Mayr, 1861 – false honey ants
- Pseudolasius Emery, 1887
- Zatania LaPolla et al., 2012
- Melophorini Forel, 1912
- Lasiophanes Emery, 1895
- Melophorus Lubbock, 1883 (Australian)
- Myrmecorhynchus André, 1896
- Notoncus Emery, 1895
- Notostigma Emery, 1920
- Prolasius Forel, 1892
- Pseudonotoncus Clark, 1934
- Stigmacros Forel, 1905
- Teratomyrmex McAreavey, 1957
- Myrmelachistini<ref name=xcit1>Template:Cite journal</ref><ref name=xcit2>Template:Cite journal</ref><ref name=xcit3>Template:Cite web</ref>
- Brachymyrmex Mayr, 1868
- Myrmelachista Roger, 1863
- Myrmoteratini Emery, 1895
- Myrmoteras Forel, 1893
- Oecophyllini Emery, 1895
- Oecophylla Smith, 1860 – weaver ants
- Plagiolepidini Forel, 1886
- Acropyga Roger, 1862
- Agraulomyrmex Prins, 1983
- Anoplolepis Santschi, 1914
- Aphomomyrmex Emery, 1899
- Bregmatomyrma Wheeler, 1929
- Lepisiota Santschi, 1926
- Petalomyrmex Snelling, 1979
- Plagiolepis Mayr, 1861
- Tapinolepis Emery, 1925
- Santschiellini Forel, 1917
- Santschiella Forel, 1916
- incertae sedis
- †Attopsis Heer, 1850
- †Leucotaphus Donisthorpe, 1920
- †Liaoformica Hong, 2002
- †Longiformica Hong, 2002
- †Magnogasterites Hong, 2002
- †Orbicapitia Hong, 2002
- †Ovalicapito Hong, 2002
- †Ovaligastrula Hong, 2002
- †Protrechina Wilson, 1985
- †Sinoformica Hong, 2002
- †Sinotenuicapito Hong, 2002
- †Wilsonia Hong, 2002