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Diagnostic Description
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Canindeyú (ALWC, USNM).

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bibliographic citation
Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa, pp. 1-55, vol. 1622
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Wild, A. L.
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Plazi (legacy text)
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http://plazi.cs.umb.edu/exist/rest/db/taxonx_docs/getSPM.xq?render=xhtml&description=broad&associations=no&doc=21367_gg2_tx.xml#_Description_397_397
Diagnostic Description
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Mas: Mandibulae elongato-trigonae, margine masticatorio antice dentato, postice acuta, margine postico duplo longiore, apice acuto, falcato. Clypeus parum convexus, angulo postico vix inter antennarum articulationes interserto. Prope marginem oculi internum carina distincta acuta. Laminae frontales modice breves, crassae, elevatae, inter se aream frontalem includentes. Antennae 12 articulatae, scapo longo tenui, funiculi clava longa quadriarticulata. Ocelli tuberculo capitis insidentes. Caput pone oculos sensim attenuatum. Thorax inermis, mesonoto lineis duabus convergentibus. Petiolus magis rotundatus et gracilior ut in femina, segmento primo supra bidenticulato. Genitalia occulta, a pygidia et a hypopygio obtecta, solummodo penicilli clavati visibiles. Pedes tenues, valde elongati, pedes posteriores sine calcaribus distinctis. Alae ut in femina.

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Mayr, G., 1866, Myrmecologische Beitraege., Sitzungsberichte der Koenigliche Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe, pp. 484-517, vol. 53
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Mayr, G.
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Sericomyrmex
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Sericomyrmex is a genus of fungus-growing ants in the subfamily Formicinae.

Example species

The nests of S. urichi are most often found in the grass, and can be easily recognized by their peculiar raised entrance. They are always excavated in soil rich in clay, and the cylindrical entrances raise almost 3 cm above the surface. In young colonies this leads to a small chamber about 15 cm below, which is situated to the right or left of a gallery. When the colony increases new chambers are formed by piercing through the first. Colonies do not exceed 200 individuals, and a nest thus consists of up to three fungus-growing chambers opening into the first one, which is then used as an antechamber, where material brought in by workers is deposited prior to bringing it into the growth chambers, which are about 6 cm in diameter. Small roots growing into them are not cut away but used to hang the gardens on, which resemble a coarse grey sponge. Scattered throughout this mass are adults, pupae and larvae. White bodies of about .25 mm are strewn thickly upon the surface of the garden, which consist of an aggregation of hyphae with spherical swellings at the end. These bodies, called "Kohlrabi" clumps by Möller, are used for food by the ants. When held in artificial nests, they preferred fruits, especially oranges over other matter like flowers, leaves, and even the organic glue from the back of an old book, which they will all put to use. Of the oranges they take very small particles of the white skin. Workers are up to 4 mm long. They are more diurnal than other fungus growers, but also work a little at night. Winged forms were found during July.[2]

Other species

S. diego from Colombia was found to build a fungus garden about 20 cm below the surface. Workers feign death when encountered. They collect little green vegetable particles resembling an alga, on which they grow their fungus.[3]

S. zacapanus was first found on the clay banks of a small irrigation ditch in an orchard at Zacapa, Guatemala. The nests had small craters of about 6 cm diameter and were covered with the ejected fragments of old fungus substrate.[4]

S. impexus was found in a sandy area at Kartabo, Guyana, to which S. amabilis from Panama is very closely related.[5]

Species

Footnotes

  1. ^ Bolton, B. (2014). "Sericomyrmex". AntCat. Retrieved 6 July 2014..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
  2. ^ Urich 1895, in: Wheeler 1925
  3. ^ Forel 1896, in: Wheeler 1925
  4. ^ Wheeler 1911, in: Wheeler, 1925
  5. ^ Wheeler, 1925

References

  • Urich, Frederic W. (2009). "II.-Notes on the Fungus growing and eating habit of Sericomyrmex opacus, Mayr". Transactions of the Royal Entomological Society of London. 43 (1): 77–8. doi:10.1111/j.1365-2311.1895.tb01664.x.
  • Wheeler, William Morton (1925). "A New Guest-Ant and Other New Formicidæ from Barro Colorado Island, Panama". The Biological Bulletin. 49 (3): 150–81. doi:10.2307/1536460. JSTOR 1536460.
  • Ješovnik, Ana; Schultz, Ted R. (2017). "Revision of the fungus-farming ant genus Sericomyrmex Mayr (Hymenoptera, Formicidae, Myrmicinae)". ZooKeys. 670: 1–109. doi:10.3897/zookeys.670.11839. Lay summaryPhys.Org (April 24, 2017).
  • ITIS: Sericomyrmex species list
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Sericomyrmex: Brief Summary
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Sericomyrmex is a genus of fungus-growing ants in the subfamily Formicinae.

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