Corynoneura

Wiedenbrug, Sofia, Lamas, Carlos E. & Trivinho-Strixino, Susana, 2012, 3574, Zootaxa 3574, pp. 1-61 : 56-57

publication ID

1175­5334

persistent identifier

https://treatment.plazi.org/id/DD2C87DF-FFFD-FF9E-FF32-B20ABB97CA05

treatment provided by

Felipe

scientific name

Corynoneura
status

 

Key to known males of Corynoneura of the Neotropical Region

1. Sternapodeme as an inverted V with phallapodeme laterally attached. Phallapodeme rounded, pointed to posterior ( Figs 13 D, 29 C, 35 E).......................................................................................... 2

-. Sternapodeme straight or rounded with phallapodeme attachment placed in caudal apex. Phallapodeme not as above....... 5

2. Gonostylus with a hyaline basal lobus ( Fig. 35 D), antenna with 10–11 flagellomeres, AR 0.7–1.0...................... 3

-. Gonostylus without hyaline lobus, slender and apically hooked ( Fig. 13 D), antenna with 8–9 flagellomeres, AR 0.24–0.43. 4

3. Antenna with 11 flagellomeres, gonocoxite with small inferior volsella................................................................................................. C. scutellata Winnertz (sensu Hirvenoja & Hirvenoja 1988)

-. Antenna with 10 flagellomeres, inferior volsella absent ( Fig. 35).................................. C. zempoala sp. n.

4. Inferior volsella small ( Fig. 13 D), antennal apex with short sensilla, shorter than last flagellomere length ( Fig. 13 A)................................................................................... C. ferelobata Sublette et Sasa.

-. Inferior volsella absent ( Fig. 29 C), antenna apex with long sensilla, as long as last flagellomere ( Fig. 29 A)...................................................................................................... C. sisbiota sp. n.

5. Antennal apex with sensilla concentrated apically (rosetta, Figs 3 A, 7 A, 25 A), laterosternite IX without setae ( Figs 7 D, 25 D)................................................................................................. 6

-. Antennal apex with sensilla not only apically ( Figs 10 A, 15 A, 18 A), laterosternite IX usually with setae ( Figs 10 E, 15 E, 18 D).................................................................................................. 8

6. Lateral sternapodeme sinuous or straight, transversal sternapodeme straight ( Figs 7 E, 25 E)......................... 7

-. Lateral sternapodeme concave, transverse sternapodeme rounded ( Fig. 3 C).......................... C. boraceia sp. n.

7. Apex of antenna thick, with about 20 setae on the apex, aedeagal lobe long and triangular ( Fig. 7)........... C. diogo sp. n.

-. Apex of antenna not as above, with about 10 setae on the apex, aedeagal lobe small and rectangular ( Fig. 25).................................................................................................. C. salviniatilis sp. n.

8. Apex of hind tibia without s-shaped seta, seta curved ( Figs 15 B, 32 B).......................................... 9

-. Apex of hind tibia with s-shaped seta ( Figs 10 C, 17 C, 21 B).................................................. 10

9. Transverse sternapodeme short. Anterior median margin of gonocoxite without longer setae, Chile ( Fig. 32).. C. trondi sp. n

-. Transverse sternapodeme longer ( Fig. 15 D). Anterior margin of gonocoxite with longer setae, Brazil (on Corydalus spp. )......................................................................................... C. franciscoi sp. n.

10. Anterior margin of gonocoxite with several long setae, directed to posteromedian ( Fig. 17 F)......................... 11

-. If setae present, median directed and shorter ( Figs 10 F, 18 D)................................................. 13

11. Gonostylus with crista dorsalis, posterior margin of phallapodeme straight, strongly curved to anterior................. 12

-. Crista dorsalis absent on gonostylus, posterior margin of phallapodeme rounded..................................................................................................... C. hermanni Wiedenbrug et Trivinho-Strixino

12. Aedeagal lobe absent, inferior volsella rounded and smooth............. C. unicapsulata Wiedenbrug et Trivinho-Strixino

-. Aedeagal lobe present, inferior volsella well defined, rectangular ( Fig. 17 F)....................... C. guacanaste sp. n.

13. Antenna with 7 – 10 flagellomeres, apical flagellomere composed of fused flagellomeres............................. 14

-. Antenna with 11 flagellomeres.......................................................................... 23

14. Antenna usually plumose, with more than one row of setae on each flagellomere, aedeagal lobe present (sometimes difficult to see)............................................................................................... 15

-. Antenna scarcely plumose, with about one row of setae on each flagellomere. Aedeagal lobe absent................... 22

15. Inferior volsella not apical, low and broad or absent ( Fig. 4 C)................................................. 20

-. Inferior volsella apical, low or large and narrow ( Figs 10 F, 18 D, 21 E, 23 B, 34 D)................................ 16

16. Inferior volsella low ( Figs 10 F, 21 E), antenna with 9-10 flagellomeres.......................................... 17

-. Inferior volsella large ( Figs 23 B, 34 D), antenna with 7 flagellomeres........................................... 19

17. Aedeagal lobe basally narrow and long, oral median margin of gonocoxite with a small tubercle bearing one seta directed to posterior ( Fig. 21).................................................................... C. longiantenna sp. n.

-. Aedeagal lobe basally wide, several setae present on oral median margin of gonocoxite............................. 18

18. Tergites I to V whitish ( Fig. 10)........................................................... C. espraiado sp. n.

-. Tergites I to IV whitish ( Fig. 18)............................................................ C. humbertoi sp. n.

19. Aedeagal lobe with narrow base ( Fig. 34 D)................................................ C. vidiapodeme sp. n

-. Aedeagal lobe with broad base ( Fig. 23 B)....................................................... C. renata sp. n.

20. Antenna with 7 flagellomeres ( Fig. 1)...................................................... C. bodoquena sp. n.

-. Antenna with more than 7 flagellomeres.................................................................. 21

21. Inferior volsella low and broad, antenna with 8 flagellomeres ( Fig. 4)............................... C. canchim sp. n

-. Inferior volsella apparently absent, gonocoxite wider at half of median margin, antenna with 10 flagellomeres.............................................................................. C. mineira Wiedenbrug et Trivinho-Strixino

22. Abdominal tergites VI–IX brown, V usually whitish, not as dark as following segments............................................................................................ C. mediaspicula Wiedenbrug et Trivinho-Strixino

-. Abdominal tergites V–IX brown................................................................................................. Brazil, C. fortispicula Wiedenbrug et Trivinho-Strixino ; Guatemala, C. hirvenojai Sublette et Sasa

23. Phallapodeme short, strongly curved to anterior, inferior volsella rectangular.................................................................................................... C. septadentata Wiedenbrug et Trivinho-Strixino

-. Phallapodeme long, posterior margin rounded, inferior volsella absent ( Fig. 28 B)............................................................................................... C. sertaodaquina Wiedenbrug et Trivinho-Strixino

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Chironomidae