Discothyrea

Weber, N. A., 1939, New ants of rare genera and a new genus of ponerine ants., Annals of the Entomological Society of America 32, pp. 91-104 : 99

publication ID

3014

DOI

https://doi.org/10.5281/zenodo.6287360

persistent identifier

https://treatment.plazi.org/id/C3255483-F074-D3D3-0428-DF706EA6F6F6

treatment provided by

Donat

scientific name

Discothyrea
status

 

Discothyrea View in CoL

The three hitherto known New World species of Discothyrea and the three species described below may be separated by means of the following key:

1. Antennae nine-jointed................................................ 2

Antennae seven-jointed............................................... 3

2. Length of female 1.2 mm. Costa Rica....................... horni Menozzi

Length of female 2 mm., worker 1.5 mm. "North America".... testacea Roger

3. Clypeal lamina between the antennal bases bearing a denticle, worker 1.0 mm. British Guiana.............................. denticulata Weber

Clypeal lamina not toothed............................................ 4

4. Length of female 1.8 mm. Argentina..................... neotropica Bruch

Length of female 1.1-1.2 mm.......................................... 5

5. Ventral lamina of petiole with right posterior angle, petiole 0.19 mm. high, node of petiole more sharply angulate above, color lighter. Panama, humilis Weber

Ventral lamina of petiole with acute posterior angle, petiole 0.21 mm. high, node of petiole more rounded above, color darker. Trinidad.... icta Weber

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

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