Atta clypeata

Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London: British Museum : 168-170

publication ID

8127

DOI

https://doi.org/10.5281/zenodo.6297206

persistent identifier

https://treatment.plazi.org/id/CC95CF31-A323-4BE2-3034-584B138C2904

treatment provided by

Donat

scientific name

Atta clypeata
status

 

30. Atta clypeata   HNS . B.M.

Female. Length 3 lines.-Rufo-ferruginous, shining, and

pubescent. Head subquadrate, emarginate behind, and having a deep central longitudinal channel; the ocelli large and promi- nent; the clypeus concave, its anterior angles produced, forming two acute points; the mandibles dark ferruginous, coarsely striated, and armed with three acute teeth at their apex. Thorax ovate, very smooth and shining on the disk. Abdomen ovate, truncate at the base; the nodes of the petiole transverse, the first produced into a point in the middle of its upper margin.

The male is about the same size as the female, the thorax rufo-testaceous, the legs and antennae pale testaceous, the head and abdomen dark fuscous, the mandibles and palpi pale testa- ceous. The clypeus prominent, the ocelli very large; wings hyaline, with the nervures pale testaceous; the nodes of the peduncle compressed and transverse; the upper margin of the first node emarginate.

Hab. Mexico.

Of three examples received, not two agree in colouring: the specimen described I take to be the usual appearance of the insect; the second has the head anteriorly, the tibiae and tarsi ferruginous, the rest of the body black; the third variety is black, with only a faint tinge of red on the face and mandibles.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Atta

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