Ulmeritoides
Creators: name: Souto, Paula Malaquias
name: Da-Silva, Elidiomar Ribeiro
name: Nessimian, Jorge Luiz
name: Gonçalves, Inês Corrêa
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Ephemeroptera
Leptophlebiidae
Ulmeritoides

description: Key to the genera Ulmeritoides and Ulmeritus (modified from Salles & Domínguez 2012)
The key to male imagos of Ulmeritoides and Ulmeritus presented by Salles & Domínguez (2012) was modified to include the two new species here described and Ulmeritoides passorum Gama Neto & Hamada, 2014, as below.
1. Vein Sc of hind wings 9/10 length of wing; membrane of wings with dark maculae at cross veins (fig. 2 in Domínguez 1991); apex of each penis round, lobe with ventral digitiform projection (fig. 3 in Domínguez 1991)................ 2 Ulmeritus
1’. Vein Sc of hind wings 8/10 or less length of wing (Figs 6, 17); membrane of wings without color pattern, except in costal area; penis lobes without digitiform projections (Figs 8, 19)............................................. 4 Ulmeritoides
2(1). Cross veins of hind wings few (around 20); maculae only around subcostal cross veins............ Ulmeritus saopaulensis
2’. Cross veins of hind wings numerous (33 to 50); maculae around all cross veins..................................... 3
3(2’). Maculae of fore wings forming bands (fig. 199A in Domínguez et al. 2006); ventral prolongation of penes short, approxi- mately as long as wide (fig. 199C Domínguez et al. 2006)...................................... Ulmeritus balteatus
3’. Maculae of fore wings not forming bands (fig. 199E in Domínguez et al. 2006); ventral prolongation of penes long, approxi- mately twice as long as wide (fig. 199G in Domínguez et al. 2006).............................. Ulmeritus carbonelli
4(1’). Fore wings with costal and subcostal areas tinged with brown.................................................. 5
4’. Fore wings with costal and subcostal areas hyaline.......................................................... 12
5(4). Penis lobes with apex rounded (Figs 8–9; see also figs 5–8 in Avila & Flowers 2005)................................ 6
5’. Penis lobes with apex straight (figs 8, 19 in Salles & Domínguez 2012) or slightly concave (Figs 13–14)................ 9
6(5). Penis lobes with a ventral keel (figs 5–8 in Avila & Flowers 2005)............................................... 7
6’. Penis lobes without a ventral keel and with a central spine (Fig. 9)........................ Ulmeritoides angelus sp. nov.
7 (6). Ventral keel of penis lobe located near apex (figs 9F–G in Domínguez 1995)...................... Ulmeritoides tifferae
7’. Ventral keel of penis lobe located on median length (figs. 5–8 in Avila & Flowers 2005)............................ 8
8(7’). Abdomen translucent yellowish brown, lacking pattern of pale spots or dark bands............... Ulmeritoides chavarriae
8’. Abdominal terga orange-brown with pale basal spots and dark brown apical transverse spots........... Ulmeritoides acosa
9(5’). Basal broad region of forceps almost 1/4 length of segment I (Fig. 13, also fig. 196N in Domínguez et al. 2006)......... 10
9’. Basal broad region of forceps about 1/6 length of segment I (figs 7, 18 in Salles & Domínguez 2012).................. 11
10(9). Abdominal terga brown shaded with dark brown, with posterior margins darker and median line dark brown (Fig. 3)..................................................................................... Ulmeritoides tamoio sp. nov.
10’. Abdominal terga yellowish-brown, with posterior margins darker, median line absent (fig. 196P in Domínguez et al. 2006)....................................................................................... Ulmeritoides huitoto
11(9’). Penes with apex ending in an inner acute pointed projection (figs 8F–G in Domínguez 1995)....... Ulmeritoides misionensis
11’. Inner projection of penes rounded, outer corner with a small ventral spine (fig. 7C in Domínguez 1995). Ulmeritoides haarupi
12(4’). Apex of penis lobes rounded............................................................................ 13
12’. Apex of penis lobes not rounded......................................................................... 14
13(12). Each penis lobe cylindrical without a ventral keel (Fig. 4 F in Domínguez 1995).................................. 17
13’. Each penis lobe flattened and with a ventral keel (Fig. 12 G in Domínguez 1995)................ Ulmeritoides guanacaste
14(12’). Penes lobes with several small apical spines (Fig. 6 D in Domínguez 1995)................... Ulmeritoides spinulipenis
14’. Penis lobes with inner apical margin ending in an acute projection.............................................. 15
15(14’). Abdominal color pattern with conspicuous lighter rounded marks.......................... Ulmeritoides uruguayensis
15’. Abdominal color pattern never as above................................................................... 16
16(15’). Bulla not surrounded with black mark (fig. 5a in Salles & Domínguez 2012).................... Ulmeritoides araponga
16’. Bulla surrounded with black mark (fig. 16a in Salles & Domínguez 2012)...................... Ulmeritoides nigribullae
17(13). Each penis lobe with a lateral groove (fig. 4F in Domínguez 1995)........................... Ulmeritoides flavopedes
17’. Penes lobes without lateral groove, apex of posterior scutal protuberance with a yellowish transversal line (fig. 14 in Neto & Hamada 2014)...................................................................... Ulmeritoides passorum
description: Published as part of Souto, Paula Malaquias, Da-Silva, Elidiomar Ribeiro, Nessimian, Jorge Luiz & Gonçalves, Inês Corrêa, 2016, Two new species of Ulmeritoides Traver (Ephemeroptera: Leptophlebiidae) from Southeastern Brazil, pp. 127-136 in Zootaxa 4078 (1) on pages 135-136, DOI: 10.11646/zootaxa.4078.1.11, http://zenodo.org/record/263491