Comprehensive Description

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 As described for Thyreus denolii (vide supra) except as follows: ♂: Total body length 13.7 mm (7.9–13.7 mm); forewing length 9.6 mm (6.5–10.6 mm). Head wider than long (length 2.7 mm, width 3.5 mm); upper interorbital distance 2.2 mm; lower interorbital distance 1.6 mm. Intertegular distance 3.1 mm (2.3–3.4 mm); mesoscutellar posterior margin weakly sinuate, with apicolateral angle projecting as a prominent spine, with a defined median emargination (Fig. 15). Apex of seventh metasomal tergum with apicolateral prominences distinct, margin between frequently broadly U-shaped, weakly concave, without medial emargination or swelling; male terminalia as in Figures 16–20.  Mesoscutum with well-defined, coarse, contiguous to nearly contiguous punctures; mesoscutellum, including axilla, as on mesoscutum. Pleura with coarse, contiguous punctures; hypoepimeral area as on remainder of pleura, without impunctate area bordering scrobe.  White patches on mesosoma as follows: deps (dorsal mesepisternal), lpn (lateral pronotal), and als (anterolateral mesoscutal) present; ms (median mesoscutal) present, often extending to posterior tangent of mls (mediolateral mesoscutal); mls (mediolateral mesoscutal) present; plsa (anterior posterolateral mesoscutal) present anterior to and along border with tegula, extending posteriorly and meeting, or less frequently almost meeting, pls (posterolateral mesoscutal); t (tegular) present posteriorly on tegula; pls (posterolateral mesoscutal) present; ps (parascutellar) and s (mesoscutellar) absent; deps (dorsal mesepisternal), hypm (hypoepimeral area), and lp (lateral propodeal) present, veps (ventral mesepisternal) absent (Figs 12, 14). Metasomal terga with prominent patches of appressed, plumose white setae as follows: first metasomal tergum with large, L-shaped patches laterally; second metasomal tergum with large, L-shaped patches laterally as on first tergum, infrequently L-shape is incomplete with secondary rounded secondary anterior patch almost connecting posterior transverse patch; third through fifth metasomal terga with more or less transverse to rounded lateral patches (Figs 12, 14).  ♀: As described for the male except in usual gender differences and as follows: Total body length 7.4–13.6 mm; forewing length 5.7–10.4 mm. Head wider than long (length 3.2 mm, width 3.9 mm); upper interorbital distance 2.3 mm; lower interorbital distance 1.8 mm. Intertegular distance 1.7–3.4 mm; mesoscutellar posterior margin forming a more gently, broad curve that is more straight medially between apicolateral angles, apicolateral angles forming a prominent spine, medially not to faintly emarginate. Apical depression of fifth tergum impunctate medially. Pygidial plate relatively narrow, margins converging apically, largely straight, apex narrowly rounded, surface imbricate except apicolaterally with smooth areas, basal half with shallow, coarse punctures.  Clypeus with small punctures separated by less than a puncture width, but with variable punctures in size apically and more sparsely punctate than in middle, some interspaces among punctures about as large as a puncture width, integument between smooth.  Integument and pubescence as in male except dark brown on pygidial plate; third through fifth metasomal terga with more or less transverse to rounded lateral patches (Figs 13, 15).


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© Jakub Straka, Michael S. Engel

Source: ZooKeys

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