The acidopore is a component of
ant
Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of 22 ...
anatomy; a round orifice located on the abdomen encircled by hairs which typifies the subfamily
Formicinae
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 ...
. The conical structure connects to the posterior end of an ant's
gaster where
formic acid
Formic acid (), systematically named methanoic acid, is the simplest carboxylic acid, and has the chemical formula HCOOH and structure . It is an important intermediate in chemical synthesis and occurs naturally, most notably in some ants. Es ...
and other hydrocarbons are formed, collectively comprising the venom. Ants are able to disinfect fungus-infected brood by taking up acidopore venom into their mouth by self-grooming and applying it by brood grooming.
This structure is unique to, but not present in all members of the ant subfamily Formicinae. It is termed an acidopore because it is the pore, or hole, from which formic acid is sprayed.
See also
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Ant venom
Ant venom is any of, or a mixture of, irritants and toxins inflicted by ants. Most ants spray or inject a venom, the main constituent of which is formic acid only in the case of subfamily Formicinae.
Ant stings
Of all extant ant species, about 7 ...
References
Insect anatomy
Myrmecology
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