Lenomyrmex
genus of insects
Lenomyrmex is a Neotropical genus of ant in the subfamily Myrmicinae.
Species
Lenomyrmex colwelli Longino, 2006
Lenomyrmex costatus Fernández & Palacio, 1999
Lenomyrmex foveolatus Fernández & Palacio, 1999
Lenomyrmex hoelldobleri
Lenomyrmex inusitatus (Fernández, 2001)
Lenomyrmex mandibularis Fernández & Palacio, 1999
Lenomyrmex wardi Fernández & Palacio, 1999
Distribution
Lenomyrmex includes six rarely collected species from Costa Rica to Ecuador. Species have been collected from elevations close to sea level to 1800 m but seem to be mainly restricted to mid-elevations, that is, 1100–1500 m.
Description
The genus is characterized by elongate mandibles bearing a series of minute peg-like denticles that arise behind the masticatory margin, by frontal lobes that are poorly expanded laterally, by large and deep antennal fossae, and by pedunculate petiole, with a poorly defined node. Among Lenomyrmex species, the queen caste has been described only for L. mandibularis, L. wardi and L. inusitatus.
Taxonomy
The fact that Lenomyrmex possesses both primitive (e.g., promesonotal suture well developed) and derived (e.g., specialized morphology of the mandibles) characters makes ascertaining its correct phylogenetic position challenging. The genus was tentatively placed in its own tribe, Lenomyrmecini, but its position within the Myrmicinae remained to be determined. Preliminary results of a phylogenetic analysis indicated that Lenomyrmex fell within a clade of predominantly New World ants that includes the tribes Attini, Cephalotini, Dacetini, and the genus Pheidole. The genus was finally placed in Attini, when Ward et al. (2014) synonymized Lenomyrmecini under Attini.
The public source identifies “Lenomyrmex” as genus of insects. This brief keeps that definition visible, then builds a research path around Lenomyrmex, genus and insects.
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Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Sep 29, 2023. The linked authority identifier is Q4042767. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2006, 1999, 2001 and 1800.
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This entry incorporates text from “Lenomyrmex” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.