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