treatment provided by
Netomocera formiciformis sp. nov.
Head black, occasionally with very slight bluish metallic reflections ( Figs 66–67View Figs 65–69). Clypeal margin produced ( Fig. 68View Figs 65–69). Scrobes shallow and reticulate ( Fig. 66View Figs 65–69). Upper face and vertex with eight large setae ( Fig. 67View Figs 65–69). Occiput margin sharply defined ( Fig. 67View Figs 65–69). Pronotal collar not unusually long or wide ( Fig. 71View Figs 70–75). Mesepimeral sulcus conspicuous. Propodeum without a well-defined V-shaped area basally ( Fig. 72View Figs 70–75). Visible part of petiole very short, distinctly transverse, with more or less obliterate sculpture ( Fig. 72View Figs 70–75).
Brachypterous, rarely submacropterous ( Figs 65View Figs 65–69, 73View Figs 70–75). Eye height 2.25–2.35 × malar space. POL about 3× OOL. Mesoscutum, scutellum and axillae with shallow punctulate reticulation ( Fig. 71View Figs 70–75); scutoscutellar sutures deep, distinct; frenal area distinct, i.e., sculpture at least slightly different than on rest of scutellum ( Fig. 71View Figs 70–75). Mesosoma with unusually dense and conspicuous whitish setation dorsally ( Fig. 71View Figs 70–75).
Antenna with fu1 length 1.9–2.2× width; length of pedicel plus flagellum 2.8–3.0 × head width. MV about 4.5 × SV.
The species name (adjective) refers to the female habitus, which is somewhat similar to that of an ant.
GUATEMALA • ♀; “ GUATEMALA, Fraijanes , Finca San Antonio, 1800 m, VII.87, J. Mauger ”; entire, on triangular card; CNC.
GUATEMALA • ♂; “ GUATEMALA Sacatepequez, Volcan Agua 1700 m, above Antigua Guatemala, Nov 23 1986 sweep, Sharkey”; CNC.
GUATEMALA • 1 ♀; “ GUATEMALA, Fraijanes , Finca San Antonio, 1800 m, XII.1986, J. P. Mauger ”; CNC • 1 ♂; “ GUATEMALA: Sierra de Minas , 5 mi. N.E. San Lorenzo, 10.VI.1986, J. M. Campbell ”; CNC .
MEXICO • 3 ♀♀; “ MEXICO: Oaxaca; 6.1 Km S Suchixtepec 2150 m, 26.VII.1992, R. Anderson oakalder-pine forest”; CNC • 1 ♀; “ MEX. Dgo. 9000’, El Salto , 10 mi W., 10 June 1964, W. R. M. Mason ”; CNC .
Female (habitus: Fig. 65View Figs 65–69)
COLOUR. Head ( Figs 66–67View Figs 65–69) black, with very slight bluish metallic reflections. Mandibles brown, teeth reddish-brown. Antenna ( Fig. 69View Figs 65–69) with scape pale yellowish-brown, pedicel light brown, flagellum brown basally but gradually becoming dark brown towards clava. Mesosoma ( Figs 70–72View Figs 70–75) black, pronotal collar occasionally dark brown. Legs with coxae whitish, hind coxae more or less brownish basally; trochanters whitish to light brown; femora, tibiae and tarsi yellowish-brown, pretarsi darker. Wings subhyaline, venation brown; setation brown. Metasoma ( Fig. 65View Figs 65–69) with petiole black; gaster mostly dark brown to black, apical tergites lighter. Body setation ( Fig. 71View Figs 70–75) whitish except for several large, symmetrically arranged dark brown setae.
BODY LENGTH. 1.5–1.9 mm.
HEAD. Clypeus finely coriaceous; apical margin produced ( Fig. 68View Figs 65–69). Lower face shallowly reticulate. Upper face reticulate and vertex shallowly reticulate to coriaceous ( Fig. 67View Figs 65–69); scrobes shallow, reticulate; parascrobal region mostly with isodiametric cells ( Fig. 66View Figs 65–69). Occiput finely reticulate; margin sharply defined ( Fig. 67View Figs 65–69). Toruli with lower margins below lower margins of eyes ( Fig. 66View Figs 65–69). Antenna with flagellum moderately widening towards clava; clava conspicuously asymmetric ( Fig. 69View Figs 65–69). Upper face and vertex with eight large setae ( Fig. 67View Figs 65–69). Head in dorsal view with width 2.1–2.3 × length (73:35) and in frontal view 1.1–1.2 × height (73:62). POL about 3 × OOL (21:7). Eye height about 1.3 × length (40:30), 2.25–2.35× malar space (40:17) and 1.1–1.2 × scape length (40:37). Head width 0.9–1.0 × length of pedicel plus flagellum (73:75). Fu1 length 1.0–1.2 × width (6:5); fu7 width 1.5–1.8 × length (10.0:6.5); clava length 2.1–2.2 × width (23.0:10.5).
MESOSOMA. Pronotal collar narrower than mesoscutum, with six large setae ( Fig. 71View Figs 70–75). Mesonotum moderately setose dorsally except for bare frenal area ( Figs 71–72View Figs 70–75). Mesoscutum and axillae densely but superficially punctulate-reticulate, but sculpture difficult to see because of dense setation ( Fig. 71View Figs 70–75). Scutellum, including frenal area, punctulate-reticulate, cells isodiametric ( Fig. 71View Figs 70–75). Mesepisternum mainly reticulate ( Fig. 70View Figs 70–75). Mesepimeron smooth; mesepimeral sulcus conspicuous. Propodeum with a pattern of several strong carinae, interspaces virtually smooth ( Fig. 72View Figs 70–75). Submacropterous or brachypterous. Submacropterous form with fore wing uniformly and densely setose except for small, elongate bare region. Brachypterous form ( Fig. 65View Figs 65–69) with fore and hind wings reduced and represented by stumps ( Fig. 73View Figs 70–75); fore wing longer than its maximum width, well surpassing posterior margin of propodeum, truncate apically, with setation visible beyond basal cell and with complete submarginal vein, incomplete marginal vein and virtually absent postmarginal and stigmal veins. Mesosoma length about 1.3× width (75:59) and 1.4–1.5 × height (75:55). Pronotal collar 0.4–0.5× as long as mesoscutum (9:22) and about 0.7 × as wide as mesoscutum (44:59). Mesoscutum width 2.7–3.4 × length (59:22). Scutellum length about 0.9× width (30:33). Propodeum length about 0.7× scutellum length (20:30). Fore wing length of submacropterous form about 2.8× width; MV about 4.3× SV; PV about 1.3 × SV. Fore wing length of brachypterous form 3.6–4.0 × width (50:14).
METASOMA. Petiole very short, transverse, with a few longitudinal costulae ( Fig. 72View Figs 70–75). Gaster ovate, length 1.6–1.7 × width (95:60) ( Fig. 65View Figs 65–69); gt1 long, width about 0.9× length (60:65), with posterior margin produced; gt2–6 very short, retracted; syntergum acutely pointed. Ovipositor sheaths protruding beyond apex of gaster. Cercal setae not surpassing apex of gaster.
Male (habitus: Fig. 74View Figs 70–75)
Differs from female mainly as follows. Body length: 1.2–1.6 mm. Scape yellowish-brown, pedicel brown, flagellum uniformly brown. Setation on mesosoma less dense. Petiole longer. Antenna ( Fig. 75View Figs 70–75) with fu1 length 1.9–2.2× width; length of pedicel plus flagellum 2.8–3.0× as long as head width. Fore wing length about 2.4 × width. MV about 4.5 × SV. Gaster length 1.4–1.6× width, gt1 occupying virtually all gaster length (gaster collapsed) or about half of gaster length (gaster inflated).
Females can easily be separated from those of all other species by the dense whitish setation dorsally on the mesonotum ( Fig. 71View Figs 70–75). Males seem similar to those of N. merida sp. nov. (see the key).
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