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Carpenter ant (Camponotus sp.)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.
Ants (family Formicidae in the order Hymenoptera) are the most species-rich of all social insects, with more than 12,000 described species and many others awaiting description. [1] Formicidae is divided into 21 subfamilies , of which 17 are extant and four subfamilies are extinct , described from fossils .
Ants (family Formicidae in the order Hymenoptera) are the most species-rich of all social insects, with more than 12,000 described species and many others awaiting description. [1] Formicidae is divided into 21 subfamilies , of which 17 contain extant taxa , while four are exclusively fossil . [ 2 ]
Myrmicinae is a subfamily of ants, with about 140 extant genera; [1] their distribution is cosmopolitan.The pupae lack cocoons.Some species retain a functional sting.The petioles of Myrmicinae consist of two nodes.
Formica is the type genus of the Formicidae, and of the subfamily Formicinae. [3] The type species of genus Formica is the European red wood ant Formica rufa. [1] Ants of this genus tend to be between 4 and 8 mm long. [4] Ants belonging to the Formica genus possess a single knob or bump located between their thorax and abdomen. These ants ...
Ants of this genus are considered to be the most primitive within the family Formicidae. [3] The body presents a wasp-like structure but with several ant-like characteristics. These ant-like characteristics, however, are primitive compared to more modern ants, and thus it is intermediate with other primitive ants and aculeate wasps.
Formica exsecta (the narrow-headed ant or excised wood ant) is a species of ant found from Western Europe to Asia.. A rare formicine ant with a deeply excised head, F. exsecta forms small mounds up to around a foot in height consisting of much finer material than that used by "true" wood ants of the F. rufa group.
In order to separate them from closely related species, specimens needs to be inspected under magnification, where difference in hairiness are among the telling characteristics, with Formica rufa being hairier than per example Formica polyctena but less hairy than Formica lugubris. [2] Workers are polymorphic, measuring 4.5–9 mm in length. [7]