Patagonomyrmex

Johnson, Robert A. & Moreau, Corrie S., 2016, A new ant genus from southern Argentina and southern Chile, Patagonomyrmex (Hymenoptera: Formicidae), Zootaxa 4139 (1), pp. 1-31 : 10-11

publication ID

https://doi.org/ 10.11646/zootaxa.4139.1.1

publication LSID

lsid:zoobank.org:pub:ED6570FE-F499-4B75-B1A3-1386514C3F07

DOI

https://doi.org/10.5281/zenodo.6061158

persistent identifier

https://treatment.plazi.org/id/D76F87C2-9703-FF9A-FF1F-F97FB8CDF9B2

treatment provided by

Plazi

scientific name

Patagonomyrmex
status

gen. nov.

Key to species of Patagonomyrmex

Workers

1 Dorsum of promesonotum with subparallel rugae to rugoreticulate, interrugae strongly granulate-punctate, dull; rugae on cephalic dorsum continue to posterior margin of head ( Figure 2 View FIGURE 2 ) ......................................... angustus

- Dorsum of promesonotum smooth and shining, lacking rugae; rugae on cephalic dorsum rarely continue to posterior margin of head ( Figures 6 View FIGURE 6 , 9 View FIGURE 9 ) .................................................................................... 2

2 Body mostly concolorous blackish to black ( Figure 6 View FIGURE 6 ) ................................................. laevigatus

- Head and mesosoma light orangish-red, gaster slightly darker to brownish ( Figure 9 View FIGURE 9 ) ......................... odoratus

Queens

1 Mesoscutum and mesoscutellum with weak to moderately coarse longitudinal rugae, interrugae weakly to strongly granulate- punctate; inferior propodeal spines elongate, length similar to that of superior propodeal spines ( Figure 3 View FIGURE 3 ) ....... angustus

- Mesoscutum and mesoscutellum smooth and shiny; inferior propodeal spines triangular, much shorter than superior propodeal spines ( Figures 7 View FIGURE 7 , 10 View FIGURE 10 ) ................................................................................ 2

2 Body concolorous black ( Figure 7 View FIGURE 7 ) ................................................................ laevigatus

- Body orangish to orangish-brown ( Figure 10 View FIGURE 10 ) ........................................................ odoratus

Males

1 Mesopleura, metapleura, pronotal sides, and dorsum of propodeum strongly granulate, dull, with a beaded appearance; at least several hairs on ventral surface of head and those protruding from mandibles approach to exceed MOD; scapes usually long, reaching to near posterior margin of eye ( Figure 4 View FIGURE 4 ) .................................................... angustus

- Mesopleura, metapleura, pronotal sides, and/or dorsum of propodeum with weak to strong rugae; no hairs on ventral surface of head or those protruding from mandibles approach MOD; scapes short, reaching only slightly beyond anterior margin of eye ( Figures 8 View FIGURE 8 , 11 View FIGURE 11 ) ....................................................................................... 2

2 In profile, juncture between cephalic dorsum and posterior declivity (near posterior margin of ocelli) weakly angulate to rounded; posterior declivity weakly convex to weakly concave ( Figure 8 View FIGURE 8 ) .................................. laevigatus

- In profile, juncture between cephalic dorsum and posterior declivity strongly angulate; posterior declivity strongly concave ( Figure 11 View FIGURE 11 ) ................................................................................... odoratus

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

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