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Species: Lachnomyrmex scrobiculatus   Wheeler, 1910 

Classification:
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Taxonomic History (provided by Barry Bolton, 2022)

Lachnomyrmex scrobiculatus Wheeler, 1910d PDF: 263, fig. 3 (w.q.) GUATEMALA. Neotropic. Primary type information: Type-material: lectotype worker (by designation of Feitosa & Brandão, 2008 PDF: 40). Type-locality: lectotype Guatemala: Alta Vera Paz, Trece Aguas, Cacao, 4.iv.1906, no. 13199 (E.A. Schwarz & H.S. Barber). Type-depository: USNM. Secondary type information: Paratype-material: 4 paralectotype workers, 1 paralectotype queen. Paratype-locality: paralectotypes with same data as lectotype but 2 paralectotype workers 24.iii.1906, 1 paralectotype worker 29.iii.1906, 1 paralectotype queen 25.iv.1906, 1 paralectotype worker 26.iv.1906. Paratype-depositories: AMNH, MCZC, USNM. AntCat AntWiki HOL

Taxonomic history

Lectotype designation: Feitosa & Brandão, 2008 PDF: 40.
Status as species: Emery, 1924f PDF: 269; Smith, 1944e PDF: 226 (in key); Weber, 1950d PDF: 3 (in key); Brown, 1950g PDF: 249; Kempf, 1972b PDF: 128; Bolton, 1995b: 220; Fernández & Baena, 1997 PDF: 112 (in key); Feitosa & Brandão, 2008 PDF: 40 (redescription) ; Branstetter & Sáenz, 2012 PDF: 258; Fernández & Serna, 2019 PDF: 856.
// Distribution

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Belize, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Venezuela
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Neotropical

Distribution Notes:

Mexico, Guatemala (type locality), Costa Rica. Costa Rica: widespread in lowland wet forest, including the Osa Peninsula, Hitoy Cerere, La Selva Biological Station and surrounding Atlantic slope sites to 1000m, Penas Blancas Valley, and the Pitilla area of Guanacaste Conservation Area. Appears less common on Pacific side (one record from the Osa Peninsula, Ranch Quemado) than on the Atlantic side (many records).

Biology:

Natural History:

Workers and queens occur in samples of sifted leaf litter from the forest floor. Mike Kaspari collected a specimen at a barley bait in the La Selva successional plots.

Comments:

DNA barcode results show a division between specimens from southern Nicaragua vs. specimens from coastal Honduras to Chiapas, but I cannot find a morphological correlate.

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Lachnomyrmex scrobiculatus   Feitosa, R. M. & Brandão, C. R. F., 2008, A taxonomic revision of the Neotropical myrmicine ant genus Lachnomyrmex Wheeler (Hymenoptera: Formicidae), Zootaxa 1890, pp. 1-49: 40-41, (download) 40-41 21837
Lachnomyrmex scrobiculatus   Brown, W. L., 1950, Morphological, taxonomic and other notes on ants., Wasmann Journal of Biology 8, pp. 241-250: 249, (download) 249 2360

Specimen Habitat Summary

Found most commonly in these habitats: 303 times found in mature wet forest, 132 times found in tropical rainforest, 63 times found in montane wet forest, 54 times found in 2º lowland tropical rainforest, 43 times found in tropical moist forest, 27 times found in wet forest, 29 times found in tropical wet forest, 24 times found in lowland rainforest, 21 times found in 2º lowland rainforest, 20 times found in 2º tropical rainforest, ...

Found most commonly in these microhabitats: 727 times ex sifted leaf litter, 51 times Hojarasca, 4 times ex sifted litter, 1 times Hojarasca., 1 times 25yr old second growth just above Casa Plastico. Ex sifted leaf litter on ground, 3 times sifted litter, 3 times Muestra tomada alrrededor de M/20, 1 times Bosque Primario, Suelo, 2 times at bait, 1 times leaf litter, 1 times foragers in litter, ...

Collected most commonly using these methods: 594 times MiniWinkler, 62 times Winkler, 91 times MaxiWinkler, 55 times Mini Winkler, 13 times Berlese, 2 times baiting, 1 times search, 1 times Sweeping, 1 times Berlese/Winkler, 1 times flight intercept trap, 1 times Malaise, ...

Elevations: collected from 5 - 2150 meters, 280 meters average

Collect Date Range: collected between 1906-04-15 and 2020-02-16

Type specimens: type: jtl0002358



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