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

persistent identifier

http://treatment.plazi.org/id/BC7B8E32-FFA5-FFD5-60C5-FDFEC8BE8CBA

treatment provided by

Plazi

scientific name

Callibaetis
status

 

Key to identify described male imagoes of Callibaetis  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. 10View FIGURE 10 G in Cruz et al. 2017), brownish specimens (before fixation) ( Fig. 10View FIGURE 10 A in Cruz et al. 2017)............................................................................... C. (Ab.) pollens 

2’. Forceps segment III with apex truncated ( Fig. 11View FIGURE 11 C in Cruz et al. 2014), green specimens (before fixation) ( Fig. 11View 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. 11View FIGURE 11 B in Cruz et al. 2014), costal pro- cess of hind wing rounded ( Fig. 11View FIGURE 11 F in Cruz et al. 2014)......................................... C. (Ca.) gonzalezi 

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 

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

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

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

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

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

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

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

7’. Abdominal sterna without one medial mark on anterior margin ( Fig. 7View 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. 2View FIGURE 2 in Cruz et al. 2009 and Fig. 17View 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. 13View FIGURE 13 B, Fig. 1View FIGURE 1 B in Cruz et al. 2014)......................................................................................... 10

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

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

10. Turbinate portion of compound eyes with stalk height 1.1× dorsal portion height ( Fig. 1View 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 

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

11’. Forewing with pigmentation ( Fig. 2View 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. 2View FIGURE 2 B in Cruz et al. 2017)................ C. (Ab.) capixaba 

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

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

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

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

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

15’. Forewing pigmentation not forming bands ( Figs 17View 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 

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

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

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

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

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