Monomorium denticulatum
Encyclopedia
Monomorium denticulatum is a species of ant
in the subfamily Myrmicinae
. It is endemic to Argentina
. Like M. bidentatum
it was first described from Valdivia, Chile
.
and abdomen
. Females are 4 mm long and brownish black, with only the most distal tarsal elements and the tip of the abdomen reddish yellow.
Ant
Ants are social insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from wasp-like ancestors in the mid-Cretaceous period between 110 and 130 million years ago and diversified after the rise of flowering plants. More than...
in the subfamily Myrmicinae
Myrmicinae
Myrmicinae is a subfamily of ants. There are about 140 genera within the group, with the family being cosmopolitan. The pupae lack cocoons. Some species retain a functional sting. The petioles of Myrmicinae consist of two nodes...
. It is endemic to Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
. Like M. bidentatum
Monomorium bidentatum
Monomorium bidentatum is a species of ant in the subfamily Myrmicinae. It is endemic to two South American countries, Chile and Argentina.-Description:...
it was first described from Valdivia, Chile
Valdivia, Chile
Valdivia is a city and commune in southern Chile administered by the Municipality of Valdivia. The city is named after its founder Pedro de Valdivia and is located at the confluence of the Calle-Calle, Valdivia and Cau-Cau Rivers, approximately east of the coastal towns of Corral and Niebla...
.
Description
Workers are 3 mm long, yellowish red, with brown head, petiolePetiole (insect)
In entomology, the term petiole is most commonly used to refer to the constricted first metasomal segment of members of the Hymenopteran suborder Apocrita; it may be used to refer to other insects with similar body shapes, where the metasomal base is constricted...
and abdomen
Abdomen
In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...
. Females are 4 mm long and brownish black, with only the most distal tarsal elements and the tip of the abdomen reddish yellow.