Abrodiaeta Brunner-Wattenwyl, 1878

Genus Abrodiaeta Brunner-Wattenwyl, 1878 View in CoL

Note. The genus includes A. lanceolata Brunner-

Wattenwyl, 1878 (type species) and four new species described below. All the species have their body

structure more or less diverse and should be grouped

into three subgenera which are pairwise connected

with each other by some features: these subgenera

and features are characterized below, in the key to

Abrodiaeta subgenera.

1. Upper rostral tubercle narrowly rounded at apex (almost acute) and distinctly projected before lower rostral tubercle ( Fig. 242 View Figs 241–256 ); lateral pronotal lobe clearly longer than high ( Fig. 241 View Figs 241–256 ); tegmen narrow, with branches of Sc forming more or less cellular venation and one longitudinal pseudovein ( Fig. 245 View Figs 241–256 ); last male abdominal tergite with rather long posteromedian lobe (or epiproct almost fused with last tergite) directed downwards ( Figs 248, 249 View Figs 241–256 ); male cerci simple, without branches ( Figs 246, 248, 249 View Figs 241–256 ); male genitalia with a pair of large symmetrical and rounded semisclerotized structures having numerous very small denticles ( Fig. 250 View Figs 241–256 )...................... subgenus Abrodiaeta s. str. [Composition: Abrodiaeta lanceolata Brunner -Wattenwyl, 1878 – type species of Abrodiaeta ; A. (A.) macricula sp. nov.]

– Upper rostral tubercle rather widely rounded at apex (almost truncate) and practically not projected before lower rostral tubercle ( Fig. 253 View Figs 241–256 ); lateral pronotal lobes, tegmina and last abdominal tergite rather diverse in shape and structure ( Figs 131, 132, 135, 136, 139, 140 View Figs 131–142 , 143, 145, 147, 149, 151, 153 View Figs 143–155 ); male cerci complicate, with additional branches, hooks or lobes ( Figs 143–145, 147–149, 151–153 View Figs 143–155 ); male genitalia with one unpaired and slightly asymmetrical sclerite lacking very small denticles ( Figs 146, 150, 154, 155 View Figs 143–155 )................... 2

2. Lateral pronotal lobe almost as long as high ( Figs 131, 135 View Figs 131–142 ); tegmen more or less wide, with normal (oblique and rather numerous) branches of Sc ( Figs 132, 136 View Figs 131–142 ); last male abdominal tergite with posteromedian lobe rather large (but not long) to very short; this lobe directed downwards/backwards ( Figs 143, 145, 147, 149 View Figs 143–155 ); male cerci short ( Figs 143–145, 147–149 View Figs 143–155 ); male genital plate significantly longer than wide ( Figs 144, 148 View Figs 143–155 ); male genitalia with large unpaired sclerite ( Figs 146, 150 View Figs 143–155 ).......... subgenus Sclerodiaeta subgen. nov. [Etymology: from “scleritum” (Latin morphological term) and “ Abrodiaeta ” (generic name). Composition: Abrodiaeta (Sclerodiaeta) propinqua sp. nov. – type species of Sclerodiaeta ; A. (S.) fruhstorferi sp. nov.]

– Lateral pronotal lobe clearly longer than high ( Fig. 139 View Figs 131–142 ); tegmina moderately narrow, with branches of Sc forming cellular venation and one longitudinal pseudovein (approximately as in Abrodiaeta s. str.; Fig. 140 View Figs 131–142 ); last male abdominal tergite without posteromedian lobe ( Fig. 151, 153 View Figs 143–155 ); male cerci clearly longer ( Figs 151–153 View Figs 143–155 ); male genitalia with very small unpaired sclerite ( Figs 154, 155 View Figs 143–155 ).................................................. subgenus Barodiaeta subgen. nov. [Etymology: partial anagram of Abrodiaeta (generic name). Composition: Abrodiaeta (Barodiaeta) minasgerais sp. nov. – type species of Barodiaeta ).]