Callibaetis

Cruz, Paulo Vilela, Salles, Frederico Falcão & Hamada, Neusa, 2017, Four new species of Callibaetis Eaton (Ephemeroptera: Baetidae), nymphal description of Callibaetis (Abaetetuba) fasciatus (Pictet) and keys for South American species of Callibaetis, Zootaxa 4250 (3), pp. 229-261 : 258

publication ID	https://doi.org/ 10.11646/zootaxa.4250.3.3
publication LSID	lsid:zoobank.org:pub:8D0213F2-B5F7-4CFB-BB3E-637EB6EDB684
DOI	https://doi.org/10.5281/zenodo.6019006
persistent identifier	https://treatment.plazi.org/id/BC7B8E32-FFA5-FFD5-60C5-FDFEC8BE8CBA
treatment provided by	Plazi
scientific name	Callibaetis
status

Treatment

Key to identify described male imagoes of Callibaetis View in CoL View at ENA species from South America*

1. Forewing with single marginal intercalary vein.............................................................. 2

1’. Forewing with paired marginal intercalary veins.............................................................4

2. Forceps segment III with apex rounded ( Fig. 10 View FIGURE 10 G in Cruz et al. 2017), brownish specimens (before fixation) ( Fig. 10 View FIGURE 10 A in Cruz et al. 2017)............................................................................... C. (Ab.) pollens View in CoL

2’. Forceps segment III with apex truncated ( Fig. 11 View FIGURE 11 C in Cruz et al. 2014), green specimens (before fixation) ( Fig. 11 View FIGURE 11 D in Cruz et al. 2014)............................................................................................3

3. Turbinate portion of compound eyes with stalk height 0.4–0.5× dorsal portion height ( Fig. 11 View FIGURE 11 B in Cruz et al. 2014), costal pro- cess of hind wing rounded ( Fig. 11 View FIGURE 11 F in Cruz et al. 2014)......................................... C. (Ca.) gonzalezi View in CoL

3’. Turbinate portion of compound eyes with stalk height 0.85–0.90× dorsal portion height (Fig. 26B in Cruz et al. 2014), costal process of hind wing quadrangular (Fig. 26E in Cruz et al. 2014)................................... C. (Ca.) radiatus View in CoL

4. Dorsal surface of turbinate portion of compound eyes rounded ( Fig. 10 View FIGURE 10 A in Cruz et al. 2014).........................5

4’. Dorsal surface of turbinate portion of compound eyes oval ( Figs 5 View FIGURE 5 A, 13A)........................................ 6

5. Turbinate portion of compound eyes with constriction on apical third ( Fig. 10 View FIGURE 10 B in Cruz et al. 2014)........ C. (Cu.) gelidus

5’. Turbinate portion of compound eyes with constriction on basal third ( Fig. 21 View FIGURE 21 B in Cruz et al. 2014)...... C. (Cu.) nigracyclus

6. Abdominal terga III, V and VII with oblique red mark ( Figs 7 View FIGURE 7 A and 22E in Cruz et al. 2017)..........................7

6’. Abdominal terga III, V and VII without oblique red mark ( Fig. 2 View FIGURE 2 A in Cruz et al. 2017)............................. 11

7. Abdominal sterna with one medial mark on anterior margin ( Fig. 11 View FIGURE 11 G in Cruz et al. 2017)............... C. (Ca.) willineri View in CoL

7’. Abdominal sterna without one medial mark on anterior margin ( Fig. 7 View FIGURE 7 B in Cruz et al. 2017)..........................8

8. Turbinate portion of compound eyes (in lateral view) with anterior and posterior margins subparallel ( Fig. 2 View FIGURE 2 in Cruz et al. 2009 and Fig. 17 View FIGURE 17 B in Cruz et al. 2014).........................................................................9

8’. Turbinate portion of compound eyes (in lateral view) with anterior and posterior margins divergent ( Fig. 13 View FIGURE 13 B, Fig. 1 View FIGURE 1 B in Cruz et al. 2014)......................................................................................... 10

9. Turbinate portion of compound eyes with stalk height 1.9× dorsal portion height ( Fig. 17 View FIGURE 17 B in Cruz et al. 2014), marginal inter- calary veins on hind wing present ( Fig. 17 View FIGURE 17 E in Cruz et al. 2014).................................... C. (Ca.) jocosus View in CoL

9’. Turbinate portion of compound eyes with stalk height 2.6× dorsal portion height, marginal intercalary veins on hind wing absent ( Figs 4 View FIGURE 4 a and 4b in Cruz et al. 2009)...................................................... C. (Ca.) zonalis View in CoL

10. Turbinate portion of compound eyes with stalk height 1.1× dorsal portion height ( Fig. 1 View FIGURE 1 B in Cruz et al. 2014)................................................................................................. C. (Cu.) calloventer

10’. Turbinate portion of compound eyes with stalk height 1.9× dorsal portion height...................... C. (Ca.) guttatus View in CoL

11. Forewing without pigmentation (Fig. 29 in Cruz et al. 2009 and Fig. 13 View FIGURE 13 D in Cruz et al. 2014)........................12

11’. Forewing with pigmentation ( Fig. 2 View FIGURE 2 in Nieto & Cruz 2013 and Fig. 27D in Cruz et al. 2014).........................14

12. Abdominal sterna with two large marks on anterior margin ( Fig. 2 View FIGURE 2 B in Cruz et al. 2017)................ C. (Ab.) capixaba View in CoL

12’. Abdominal sterna without two large marks on anterior margin ( Fig. 13 View FIGURE 13 C)........................................13

13. Abdominal sterna and terga with transverse small brown mark on posterior margin, abdomen without spots ( Figs 13 View FIGURE 13 F and 13I in Cruz et al. 2014)......................................................................... C. (Ai.) itannae

13’. Abdominal sterna and terga without small brown transverse mark on posterior margin, abdomen covered by spots ( Fig. 13 View FIGURE 13 A)................................................................................. C. (Ca.) molinerii sp. nov.

14. Forewing with apical third completely pigmented, basal 2/3 hyaline ( Fig. 2 View FIGURE 2 in Nieto & Cruz 2013)...... C. (Ab.) dominguezi View in CoL

14’. Forewing without apical third completely pigmented, basal 2/3 with some pigmentation.............................15

15. Forewing pigmentation forming bands ( Figs 5 View FIGURE 5 D and 27D in Cruz et al. 2014).....................................16

15’. Forewing pigmentation not forming bands ( Figs 17 View FIGURE 17 D and 6B in Cruz et al. 2014)..................................18

16. Apical band parallel to posterior margin of forewing (Fig. 27D in Cruz et al. 2014).................... C. (Ab.) sellacki View in CoL

16’. Apical band transverse to posterior margin of forewing ( Fig. 9 View FIGURE 9 C in Cruz et al. 2014)...............................17

17. First segment of forceps cylindrical ( Fig. 5 View FIGURE 5 C in Cruz et al. 2014)................................... C. (Ca.) cruentus

17’. First segment of forceps with base wider than apex ( Fig. 9 View FIGURE 9 F in Cruz et al. 2014)....................... C. (Ab.) fasciatus View in CoL

18. Pair of medioanterior and medioposterior sigilla on abdominal terga strong pigmented ( Fig. 11 View FIGURE 11 A). C. (Cu.) imperator sp. nov.

18’. Pair of medioanterior and medioposterior sigilla on abdominal terga without pigment ( Fig. 6 View FIGURE 6 E in Cruz et al. 2017)....................................................................................................... C. jaffueli