Myrmica cadusa
Encyclopedia
Myrmica cadusa is a species of ant
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...

. Myrmica cadusa differs from similar ants in the genus Myrmica
Myrmica
Myrmica is a genus of ants within the subfamily Myrmicinae. It is widespread throughout the temperate regions of the Holarctic and high mountains in Southeast Asia. The genus consists of around 200 known species, and additional subspecies, although this figure is likely only to rise as soon as...

by the external shape of the antennal
Antenna (biology)
Antennae in biology have historically been paired appendages used for sensing in arthropods. More recently, the term has also been applied to cilium structures present in most cell types of eukaryotes....

 socket, which is jar shaped. They forage on the ground surface. Myrmica are unique from other types of ants in many ways. These are their oval head, rounded clypeus
Clypeus
The clypeus is one of the sclerites that makes up the "face" of an arthropod.In insects, the clypeus delimits the lower margin of the face, with the labrum articulated along the ventral margin of the clypeus. The mandibles bracket the labrum, but do not touch the clypeus. The dorsal margin of the...

, prominent frontal lobes and in most species, a strongly developed propodeal spine with two large nodes.

Features

Its body is a dark red/brown colour. The mandibles, antennae and legs
Arthropod leg
The arthropod leg is a form of jointed appendage of arthropods, usually used for walking. Many of the terms used for arthropod leg segments are of Latin origin, and may be confused with terms for bones: coxa , trochanter , femur, tibia, tarsus, ischium, metatarsus, carpus, dactylus ,...

are light brown, with long furrows which are brownish yellow with erect hairs all over it. The head is dark-reddish/brown and the same length as width. They have six black teeth, which get larger towards the end. Its eyes are dark brown and protruded. The antennae are 12 segments with an indistinct club of four segments. Antennal lobes with distinct jar because of frontal lobes connected by protrudent clypeus posterior margin. The thorax is dark-reddish/brown the same as the head.
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