Acanthostichus lattkei

Collected in soil below leaf litter in a tropical forest.

Identification
A member of the serratulus species complex. Mackay (1996) - This species is closely related to the others in the complex, but is easily distinguished by the elongate antennal scapes, the absence of carinae on the sides of the petiole, and longitudinal striations on the dorsal surface of petiole. It lacks the strongly excised medial border of the clypeus of Acanthostichus bentoni and often has a tooth in the middle of the anterior border of clypeus.

Distribution based on Regional Taxon Lists
Neotropical Region: Venezuela.

Castes
Known only from the worker caste.

Nomenclature

 * . Acanthostichus lattkei Mackay, 1996: 160, figs. 11, 28, 29, 46 (w.) VENEZUELA.
 * Type-material: holotype worker, 10 paratype workers.
 * Type-locality: holotype Venezuela: Tachira, Presa Las Cuevas, 44 km. NNW San Cristóbal, 7°48’N, 71°46’W, 500 m. (J. Lattke); paratypes with same data.
 * Type-depositories: MIZA (holotype); BMNH, ICNB, IMLT, LACM, MCZC, MIZA, MZSP, NHMB, WEMC (paratypes).
 * Distribution: Venezuela.

Worker
HL 0.96-1.40, HW 0.93-1.34, SL 0.53-0.70, SW 0.16-0.24, WL 1.29-1.78, PW 0.40-0.59, PL 0.41-0.60, FL 0.74-1.04, FW 0.23-0.35, SI 48-55, SL/SW 2.89-3.23, CI 94-96, PI 98-103, FI 2.96-3.28.

Clypeus with well defined median tooth and well developed lateral angles; occiput concave; petiole longer than broad, subpetiolar process with a large, posteriorly directed tooth. Dorsum of petiole roughened, with at least two longitudinal troughs and many fine, longitudinal striae.

Type Material
Holotype worker ]and 10 paratype workers, , , , , , MIZA, , , , Venezuela, Tachira, Presa Las Cuevas, 44 Km NNW San Cristobal, 500 M. John Lattke; 7°48' N. 71°46' W [all seen].

References based on Global Ant Biodiversity Informatics

 * Borowiec M. L. 2016. Generic revision of the ant subfamily Dorylinae (Hymenoptera, Formicidae). ZooKeys 608: 1–280.
 * Esteves F. A., C. R. F. Brandao, and L. P. Prado. 2011. The type specimens of Dorylomorph ants (Hymenoptera, Formicidae: Aenictinae, Ecitoninae, Cerapachyinae, Leptanilloidinae) deposited in the Museu de Zoologia da Universidade de Sao Paulo, Brazil. Papeis Avulsos de Zoologia 51(22): 341-397.
 * Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
 * MacKay W. P. 1996. A revision of the ant genus Acanthostichus (Hymenoptera: Formicidae). Sociobiology 27: 129-179