Caladomyia

Trivinho-Strixino, Susana, 2012, A systematic review of Neotropical Caladomyia Säwedal (Diptera: Chironomidae), Zootaxa 3495, pp. 1-41 : 3-4

Key to adult males of Caladomyia (emended after Reiff 2000 key)

1. Margins of anal point without flap-like enlargement ( Fig. 15 ) or margins weakly enlarged [ Sanseverino & Fittkau (2007), figs 6, 9, 10]............................................................................................ 2

- Margin of anal point with flap-like enlargement, appearing divided in three protrusions (e.g. Figs 1 , 16 , 17 , 22 ).......... 3

2. Anal point bars absent [ Sanseverino & Fittkau (2007), Fig. 6 ]................................. C. tuberculata (Reiss)

- Anal point bars present ( Fig. 15 )............................................................ C. angelae sp. n.

3. Anal tergite setae stout................................................................................. 4

- Anal tergite setae sligth or absent......................................................................... 5

4. Anal tergite setae flattened, with longitudinal ridges on median part [ Säwedal (1981), Fig. 15 ]......... C. poppigi Säwedal

- Anal tergite setae cylindrical, without ridges ( Fig. 16 )........................................... C. carolae sp. n.

5. Digitus extending beyond median margin of superior volsella................................................... 6

- Digitus not extending beyond median margin of superior volsella.............................................. 14

6. Digitus reaching only slightly beyond posteromedian corner of superior volsella................................... 7

- Digitus very long and reaching far beyond superior volsella.................................................... 9

7. Anal point bars very short (8 µm). Anal tergite setae absent [ Säwedal (1981), Fig. 18 ]................ C. kraussi Säwedal

- Anal point bars longer (≥ 20 µm). Anal tergite setae present.................................................. 8

8. Wing length about 1.2 mm; LR1 about 2.62–2.75 [ Trivinho-Strixino & Strixino (2000), Figs 1 and 3 ]........................................................................................ C. friederi Trivinho-Strixino & Strixino

- Wing length 1.31–1.50 mm; LR1 3.61–3.89 [ Säwedal (1981), Fig. 12 ]............................. C. ortoni Säwedal

9. Anteromedian corner of superior volsella drawn out into marked point [ Säwedal (1981), Fig. 14 ]...... C. adalberti Säwedal

- Anteromedian corner of superior volsella not drawn out into marked point....................................... 10

10. Bars short (<13 µm) ( Fig. 53 )............................................................. C. curumim sp. n.

- Bars longer (>13 µm)............................................................................... 11

11. Digitus very long and strongly curved sickle-shaped ( Fig. 67 )...................................... C. kapilei sp. n.

- Digitus not in a form of curved sickle..................................................................... 12

12. Tip of digitus rounded or truncate. Thorax and legs yellowish-green............................................ 13

- Tip of digitus slightly pointed. Thorax and legs brown ( Fig. 17 ).................................. C. bruneola sp. n.

13. Fused part of anal tergite bands 41–44 µm long. Superior volsella quadrangular. Tip of digitus truncate ( Fig. 42 )................................................................................................ C. carolensis sp. n.

- Fused part of anal tergite bands 5–21 µm long. Superior volsella ovoid. Tip of digitus blunt, rounded [ Reiff (2000), Fig. 5 ]......................................................................................... C. orellanai Reiff

14. Anal point bars short (≤ 12 µm)........................................................................ 15

- Anal point bars long (> 13 µm)......................................................................... 21

15. Anal tergite setae absent............................................................................... 16

- Anal tergite setae always present........................................................................ 17

16. Digitus very short or not clearly recognizeable. AR 0.40–0.43 [ Reiff (2000), Fig. 7 ]..................... C. erikae Reiff

- Digitus longer. AR 0.92 [ Reiff (2000), Fig. 8 ]................................................... C. hoefleri Reiff

17. Superior volsella subrectangular, posterior and median margins nearly straight. Anal tergite setae in asymmetrical lateral posi- tions on each side of anal point base [ Reiff (2000), fig. 6]............................................ C. reissi Reiff

- Superior volsella ovoid to cordiform, with posterormedian corner projecting. Anal tergite setae only slightly in asymmetrical lateral positions on each side of anal point base............................................................. 18

18. Superior volsella cordiform, with posterior corner projecting [ Sanseverino & Fittkau (2007), Fig. 4 ]....... C. alata (Paggi)

- Superior volsella not cordiform, elongated and transverse to median line......................................... 19

19. Anal point bars <10 µm. Ventromedian projection of anal point long............................................ 20

- Anal point bars> 10 µm. Ventromedian projection of anal point short [ Säwedal (1981), Fig. 16 ]...... C. mulleri Säwedal

20. Ventromedian projection of anal point as long as anal point length [ Säwedal (1981), Fig. 17 ]........ C. castelnaui Säwedal

- Ventromedian projection of anal point shorter than anal point length ( Fig. 75 ).......................... C. yara sp. n.

21. Anal point bar ratio ≤ 1.0............................................................................. 22

- Anal point bar ratio>1.0.............................................................................. 25

22. Digitus short, not reaching half length of superior volsella.................................................... 23

- Digitus longer, reaching near the median margin of superior volsella........................................... 24

23. Anal point bars large with bases inserted on anal tergite far anterior of base of anal point. Digitus 9–12 µm ( Fig.1 )............................................................................................ C. humboldti Säwedal

- Not as in above combination [Sublette & Sasa (1994), Fig. 189]............................. C. pistra Sublette & Sasa

24. Wing length> 1.25 mm. Digitus 16–18 µm. Gonostylus shorter than gonocoxite, hypopygium ratio ≤ 0.8 ( Fig. 61 )................................................................................................ C. jaragua sp. n.

- Wing length ≤ 1.05 mm. Digitus 28–29 µm. Gonostylus nearly as long as gonocoxite, hypopygium ratio 0.94–1.10 [ Reiff (2000), Fig. 12 ]........................................................................... C. fittkaui Reiff

25. Superior volsella almost square, with distinct lobe blunt apically.............................................. 26

- Superior volsella ovoid or rectangular.................................................................... 27

26. Wing length 1.57 mm. Anal point bar ratio 2.5. Gonostylus longer than gonocoxite, hypopygium ratio 0.55 ( Fig. 27 )............................................................................................... C. canine sp. n.

- Wing length 1.00– 1.44 mm. Anal point bar ratio 1.3–1.5. Gonostylus nearly as long as gonocoxite, hypopygium ratio 0.81–0.92 ( Fig. 49 )...................................................................... C. comunis sp. n.

27. Superior volsella ovoid. Bars not extending beyond anal point. Wing length <1.17 mm ............................ 28

- Superior volsella rectangular. Bars long, extending beyond anal point. Wing length ≥ 1.20 mm ....................... 29

28. Bars 19–21 µm long. Digitus 25–27 µm long, reaching median margin of superior volsella [ Reiff (2000), Fig. 14 ]................................................................................................... C. hero Reiff

- Bars 14–18 µm long. Digitus 10 µm long, reaching half length of superior volsella at most [ Säwedal (1981), Fig. 6 ]............................................................................................... C. spixi Säwedal

29. Anal point bar ratio> 2.6. Wing length ≤ 1.20 mm ( Fig. 32 ).................................... C. capaopreto sp. n.

- Anal point bar ratio <1.5. Wing length> 1.40 mm [ Reiff (2000), Fig. 9 ]........................ C. riotarumensis Reiff

Figures

FIGURES 14 – 16. Caladomyia angelae sp. n. Male. 14. Thorax, lateral. 15. Hypopygium, dorsal (left), ventral (right). Caladomyia carolae sp. n. Male. 16. Hypopygium, dorsal (left), ventral (right).

FIGURES 1 – 2. Caladomyia humboldti. 1. Male hypopygium, dorsal (left), ventral (right). 2. Female genitalia, ventral.

FIGURES 17 – 18. Caladomyia bruneola sp. n. 17. Male hypopygium, dorsal (left), ventral (right). 18. Female genitalia, ventral.

FIGURES 19 – 26. Caladomyia bruneola sp. n. Pupa. 19. Frontal apotome. 20. Thorax, lateral. 21. Abdominal tergites. 22. Spines of tergites III – V. 23. Posterolateral comb of segment VIII. Larva. 24. Antenna. 25. Clypeal seta S 3. 26. Mentum and ventromental plate.

FIGURES 3 – 7. Caladomyia humboldti. Pupa. 3. Thorax, lateral. 4. Thoracic horn. 5. Abdominal tergites. 6. Spine patches of tergites III – V. 7. Posterolateral comb of abdominal segment VIII (a), variation (b).

FIGURES 8 – 13. Caladomyia humboldti. Larva. 8. Antenna. 9. Antennal pedestal. 10. Mandible. 11. Premandible. 12. Mentum and ventromental plate. 13. Abdomen, posterior.

FIGURES 53 – 60. Caladomyia curumim sp. n. Male. 53. Hypopygium, dorsal (left), ventral (right). Pupa. 54. Thorax, lateral. 55. Abdominal tergites. 56. Spines of tergites III – V. 57. Posterolateral comb of abdominal segment VIII. Larva. 58. Antennal pedestals and clypeal setae S 3. 59. Mandible. 60. Mentum and ventromental plate.

FIGURES 67 – 74. Caladomyia kapilei sp. n. Male. 67. Hypopygium, dorsal (left), ventral (right). Pupa. 68. Thorax, lateral. 69. Abdominal tergites. 70. Posterolateral comb of segment VIII. Larva. 71. Antenna. 72. Clypeal seta S 3. 73. Mandible. 74. Mentum and ventromental plate.

FIGURES 42 – 43. Caladomyia carolensis sp. n. 42. Male hypopygium, dorsal (left), ventral (right). 43. Female genitalia, ventral.

FIGURES 75 – 82. Caladomyia yara sp. n. Male. 75. Hypopygium, dorsal (left), ventral (right). Pupa. 76. Thorax, lateral. 77. Abdominal tergites. 78. Posterolateral comb of abdominal segment VIII. Larva. 79. Antennal pedestal and clypeal setae S 3. 80. Antenna. 81. Mentum and ventromental plates. 82. Posterior parapod claws.

FIGURES 61 – 66. Caladomyia jaragua sp. n. Male. 61. Hypopygium, dorsal (left), ventral (right). Pupa. 62. Abdominal tergites I – VI. 63. Spines ornamentation of tergites III – VI. 64. Posterolateral comb of abdominal segment VIII. Larva. 65. Antenna. 66. Mentum and ventromental plate.

FIGURES 27 – 31. Caladomyia canine sp. n. Male. 27. Hypopygium, dorsal (left), ventral (right). Pupa. 28. Thorax, lateral. 29. Abdominal tergites. 30. Spine patches of tergite III – VI. 31. Posterolateral comb of abdominal segment VIII.

FIGURES 49 – 52. Caladomyia comunis sp. n. Male. 49. Hypopygium, dorsal (left), ventral (right). Pupa. 50. Abdominal tergites. 51. Spines of tergites III – V. 52. Posterolateral comb of abdominal segment VIII.

FIGURES 32 – 41. Caladomyia capaopreto sp. n. Male. 32. Hypopygium, dorsal (left), ventral (right). Pupa. 33. Abdominal tergites. 34. Patches of spines of tergite V and VI. 35. Posterolateral comb of abdominal segment VIII. Larva. 36. Antenna and variation of Lauterborn pedicels. 37. Clypeal setae S 3. 38. Pecten epipharyngis. 39. Premandible. 40. Mandible. 41. Mentum and ventromental plate.