Welcome to the new AntWeb!

We here at AntWeb have been busy working on our newest (and most ambitious) version of the site - and there are lots of great new things! Which means there are lots of changes (don't worry, they're all for the best).

And we've put together a handy little guide to show you all the new features and enhancements - why don't you have a quick look to check out all the new features and enhancements?

No thanks
Current View: Global: All Antweb
Change View
Cite this page

Citing AntWeb


To cite this page, please use the following:

· For print: . Accessed

· For web:

Species: Pheidole hortonae   Wilson, 2003 

Download Data

Taxonomic History (provided by Barry Bolton, 2015)

Pheidole hortonae Wilson, 2003A: 709, figs. (s.w.) VENEZUELA. Neotropic. AntCat AntWiki

Taxonomic Treatment (provided by Plazi)

Wilson, E. O.:
Etymology Named in honor of Kathleen M. Horton, expert and indispensable contributor to the preparation of this Pheidole monograph.
diagnosis Similar to antillana of the lesser Antilles and avia , bucculenta , guilelmimuelleri , hetschkoi , heyeri , mamore , praeses , and rhytifera of South America, differing in the following combination of traits.
Major: antennal lobe prominent above clypeus in side view; pilosity on dorsal surface of body long, erect to suberect, and very dense, with many of those on pronotum curving backward and many of those on mesonotum curving forward; patch of rugoreticulum present laterad to antennal fossa; rear half of head capsule smooth and shiny; pronotal dorsum mostly rugoreticulate, and dorsum of mesonotum smooth and shiny.
Minor: posterior half of the head and all of the mesosomal dorsum rugoreticulate; pilosity long, erect to suberect, and very dense, with hairs on the pronotal dorsum curving backward and those on the mesonotum curving forward. measurements (mm) Holotype major: HW 1.60, HL 1.66, SL 0.70, EL 0.18, PW 0.84. Paratype minor: HW 0.70, HL 0.74, SL 0.70, EL 0.12, PW 0.48.
color Major: body and mandibles medium reddish brown, other appendages brownish yellow. Minor: body medium brown, appendages light brown except for tarsi, which are yellow.
range Known only from the type locality.
Biology In rainforest.
figure Upper: holotype, major. Lower: paratype, minor. VENEZUELA: Estado Aragua, Rancho Grande, 1100 m (William L. and Doris E. Brown). Scale bars = 1 mm.

Specimen Habitat Summary

Found most commonly in these habitats: 5 times found in montane wet forest

Collected most commonly using these methods or in the following microhabitats: 2 times search, 2 times bait, 1 times Winkler

Elevations: collected from 1100 - 1200 meters, 1161 meters average

Type specimens: paratype Pheidole hortonae: jtlc000016406

(-1 examples)

See something amiss? Send us an email.
Enlarge Map