Corydalus diasi Navás, 1915,

Andrade, Iury Cesar Pires De, Fernandes, André Silva & Krolow, Tiago Kütter, 2020, The Megaloptera (Insecta) of Tocantins State, Brazil, Zootaxa 4816 (1), pp. 144-148: 146-147

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Corydalus diasi Navás, 1915


Corydalus diasi Navás, 1915 

Fig. 2View FIGURE 2 K–O

Diagnosis, male. Head light brown to dark brown ( Fig. 2K, OView FIGURE 2). Mandibles elongate ( Fig. 2KView FIGURE 2). Antennae brown with tip infuscate, filiform, moderately thick ( Fig. 2KView FIGURE 2). Genitalia slightly sclerotized; tergite IX subquadrate; tergite X elongate, wide at base, gradually narrowing to proximal ⅔, widening to apical ⅓ ( Fig. 2View FIGURE 2 M–N); gonostyli IX elongate, subclavate ( Fig. 2NView FIGURE 2). Female. Morphologically similar to the male, except for the shorter mandibles ( Fig. 2LView FIGURE 2) and genital characters. Mandibles with basal side of first pre-apical tooth concave ( Fig. 2LView FIGURE 2).

Material examined. BRAZIL, Tocantins, Palmas, Evilson , 10°14’00.8” S, 48°07’18.0”W, 27.ix.2016, leg. Krolow, TGoogleMaps  . K. e Equipe (1♀ CEUFT); idem, Vale do Vai Quem Quer , 10°23’38.9” S, 48°07’56.1” W, 13–14.xi.2017, leg. Krolow, TGoogleMaps  . K. e Equipe (2♀, 5♂ CEUFT); idem, 04-07.xii.2018, leg. Fernandes, A.S. e Equipe, (10♀, 11♂ CEUFT); Pedro Afonso, Rio Sono , 8°58’58.5” S, 48°09’05.3” W, 11-12.x.2018, leg. Krolow, TGoogleMaps  . K e Equipe (1♂ CEUFT); Monte do Carmo, Corrego Sucuri , 10°46’21.49” S, 48°5’19.80” W, 13-14.ii.2019, leg. Fernandes, A.S. e Equipe (1♂ CEUFT)GoogleMaps  .

Distribution. Argentina, Brazil: Bahia, Ceará, Goiás, Minas Gerais, Rio Grande do Sul, São Paulo, Tocantins; Paraguay ( Contreras-Ramos 1998; Heckman 2017).


Tavera, Department of Geology and Geophysics