Columbicola arnoldi, Adams & Price & Clayton, 2005

Adams, Richard J., Price, Roger D. & Clayton, Dale H., 2005, Taxonomic revision of Old World members of the feather louse genus Columbicola (Phthiraptera: Ischnocera), including descriptions of eight new species, Journal of Natural History 39 (41), pp. 3545-3618 : 3609-3612

publication ID	https://doi.org/ 10.1080/00222930500393368
persistent identifier	https://treatment.plazi.org/id/CB3C8797-C378-8763-FE5F-1CE8FB03FF56
treatment provided by	Felipe
scientific name	Columbicola arnoldi
status

Treatment

Key to species of Old World Columbicola View in CoL

1. Male head as in Figure 187 View Figures 165–189 ; genitalia as in Figure 188 View Figures 165–189 . Ex Turacoena manadensis ............ juliusriemeri Eichler and Mrosek

– Not as above.................... 2

2. Margin of metanotum with only 2 long setae on each side ( Figure 2 View Figures 1–18 ).... 3 – Margin of metanotum with 3 long setae on each side ( Figure 3 View Figures 1–18 )..... 43

3. Body rotund; head broad, with distinctly indented anterior margin ( Figures 48, 50, 53, 55 View Figures 40–57 )..................... 4

– Body elongate ( Figure 6 View Figures 1–18 ) or without distinctly indented anterior head margin ( Figures 7 View Figures 1–18 , 35 View Figures 19–39 , 102 View Figures 95–111 ).................. 7

4. Male TL,1.80; female TL,2.10......... oenae (Hopkins)

– Male TL.1.80; female TL.2.10.............. 5

5. Squared anterior clypeal indentation; male head as in Figure 61 View Figures 58–77 ........................ senegalensis Tendeiro

– Rounded anterior clypeal indentation ( Figures 49, 54 View Figures 40–57 )........ 6

6. Clypeal region as in Figure 49 View Figures 40–57 , lateral edges slightly rounded, narrowing anteriorly.......... streptopeliae (Clay and Meinertzhagen)

– Clypeal region as in Figure 54 View Figures 40–57 , lateral edges broadly rounded.................... capicolae (Clay and Meinertzhagen)

7. Marginal carina medially enlarged, bordering thickened sagittal band ( Figures 87, 88 View Figures 78–94 ); mesosome narrow, triangular ( Figures 89, 92 View Figures 78–94 ). Female subgenital plate groove elongate, rounded anteriorly, 2–5 setae on each side ( Figure 90 View Figures 78–94 )... 8

– Not as above.................... 9

8. Male genitalia as in Figure 89 View Figures 78–94 ; mesosome triangular, without tongue-like extension. Females inseparable.......... exilicornis (Piaget)

– Male genitalia as in Figure 92 View Figures 78–94 ; mesosome triangular, with tongue–like posterior extension.................. arnoldi n. sp.

9. Male antennal scape not enlarged ( Figure 94 View Figures 78–94 ); genitalia as in Figure 96 View Figures 95–111 . Female subgenital plate as in Figure 97 View Figures 95–111 , triangular, inverted, with row of transverse posterior spiniform setae........... effeminatus Tendeiro

– Male antennal scape enlarged ( Figures 7 View Figures 1–18 , 35 View Figures 19–39 , 98 View Figures 95–111 ); male and female genitalia not as above...................... 10

10. Chitinous thickening posterior to dorsoanterior head plate ( Figures 98, 100 View Figures 95–111 ). Male TL.2.70. Female TL.2.85. Male genitalia as in Figure 99 View Figures 95–111 . Female ventral terminalia as in Figure 101 View Figures 95–111 ........... becheti Tendeiro

– Not as above.................... 11

11. HL/HW,1.55; APW.0.20. Male genitalia as in Figure 104 View Figures 95–111 . Female ventral terminalia as in Figure 105 View Figures 95–111 .......... fortis (Taschenberg)

– Not as above.................... 12

12. Male genitalia asymmetrical ( Figure 106 View Figures 95–111 ). Female subgenital plate in wide semicircular band ( Figure 107 View Figures 95–111 )......... tasmaniensis Tendeiro

– Not as above.................... 13

13. PMHS lacking; anterior marginal suture as in Figure 189 View Figures 165–189 . Ex Columba larvata ................ obliteratus Tendeiro

– PMHS present; anterior marginal suture not as above........ 14

14. PMHS thin, hair like, distinctly longer than AMHS ( Figures 18 View Figures 1–18 , 83 View Figures 78–94 ).... 15

– PMHS thick, spike like, of length equal to or shorter than AMHS ( Figure 4 View Figures 1–18 ). 16

15. HL/HW,1.70. Male genitalia as in Figure 19 View Figures 19–39 . Female ventral terminalia as in Figure 21 View Figures 19–39 ............... tschulyschman Eichler

– HL/HW.1.85. Male genitalia as in Figure 85 View Figures 78–94 . Female ventral terminalia as in Figure 86 View Figures 78–94 ................ mckeani Tendeiro

16. Male TL,1.95; genitalia as in Figure 123 View Figures 112–130 . Female TL, 2.25; ventral terminalia as in Figure 125 View Figures 112–130 ............. veigasimoni Tendeiro

– Not as above.................... 17

17. HL/HW,1.85; anterior head margin slightly indented ( Figures 78, 79 View Figures 78–94 ). Male with row of setae across ventral surface of head anterior to mandibles; genitalia as in Figure 80 View Figures 78–94 ................ beccarii Tendeiro

– HL/HW.1.85, or, if,1.85, then not as above.......... 18

18. Male genitalia with laterally divided mesosome ( Figures 37 View Figures 19–39 , 41, 45 View Figures 40–57 ). Female subgenital plate groove broad, semicircular, without distinct anterior projection ( Figures 38 View Figures 19–39 , 42, 46 View Figures 40–57 ); lateral setae present on subgenital plate...... 19

– Not as above.................... 22

19. Male TL.2.55; HL/HW,1.95 ( Figure 47 View Figures 40–57 ). Female unknown. Ex Treron sanctithomae .............. longantennatus Tendeiro

– Male TL,2.55; HL/HW.1.90. Female with broadly rounded subgenital plate groove...................... 20

20. Combined length of last 4 antennal segments,95% HW. Female subgenital plate with 4–5 long lateral setae (0.015 –0.300) ( Figure 46 View Figures 40–57 ). Male TL,2.25. Female TL,2.65............... meridionalis Tendeiro GoogleMaps

– Combined length of last 4 antennal segments.95% HW. Female subgenital plate hairs variable. Male TL.2.15. Female TL.2.50.......... 21

21. Male GW,0.115; APW,0.135. Each side of female subgenital plate with 2–5 short indistinct setae (0.007 –0.010) ( Figure 38 View Figures 19–39 )... meinertzhageni Tendeiro GoogleMaps

– Male GW.0.115; APW.0.135. Each side of female subgenital plate with 4–5 medium to long distinct setae (0.015 –0.025) ( Figure 42 View Figures 40–57 )... browni n. sp GoogleMaps .

22. Male mesosome ovoid; parameres with pointed internal expansions ( Figure 27, 31, 33 View Figures 19–39 ). Female subgenital plate groove elongate; numerous lateral setae ( Figures 29, 32, 34 View Figures 19–39 ).................. 23

– Not as above.................... 25

23. Male SL,0.125; TL,2.33. Female subgenital plate as in Figure 29 View Figures 19–39 ; lateral setae short (,0.012).............. guimaraesi Tendeiro

– Male SL.0.125; TL.2.30. Female subgenital plate as in Figures 32, 34 View Figures 19–39 ; medium to long lateral setae (.0.015)............... 24

24. Male genitalia as in Figure 31 View Figures 19–39 ; GW.0.105. Female subgenital plate as in Figure 32 View Figures 19–39 ............... grandiusculus Tendeiro

– Male genitalia as in Figure 33 View Figures 19–39 ; GW,0.105. Female subgenital plate as in Figure 34 View Figures 19–39 ................ vitiensis Tendeiro

25. Male mesosome with sharply pointed lateral spines ( Figure 118 View Figures 112–130 ). Female subgenital plate groove broad, smoothly rounded, each side with 5–7 long (0.017 –0.024) setae ( Figure 119 View Figures 112–130 )........... galei n. sp.

– Not as above.................... 26

26. Male mesosome with deep anterior groove ( Figures 8, 11, 16 View Figures 1–18 , 22, 24 View Figures 19–39 ). Female subgenital plate with numerous distinct lateral setae (.0.010) ( Figures 10, 12, 17 View Figures 1–18 , 23,25 View Figures 19–39 )...................... 27

– Male mesosome without deep anterior groove ( Figures 66, 76 View Figures 58–77 , 110 View Figures 95–111 , 120 View Figures 112–130 ). Female subgenital plate without distinct lateral setae, either absent, or, if small numbers present,,0.010 long ( Figures 65 View Figures 58–77 , 111 View Figures 95–111 , 121 View Figures 112–130 )........... 32

27. Male head as in Figure 13 View Figures 1–18 . Female head as in Figure 14 View Figures 1–18 . Ex Columba bollii .................. stresemanni Eichler

– Not as above.................... 28

28. Male with posterior edge of mesosome rectangular ( Figure 16 View Figures 1–18 ). Female HW.0.29; HL/ HW,2.00; subgenital plate groove ( Figure 17 View Figures 1–18 ) narrow anteriorly, bordered on each side by 3–5 medium to long setae (0.015 –0.034)........................ claviformis (Denny) GoogleMaps

– Male with posterior edge of mesosome either rounded ( Figure 11 View Figures 1–18 ), elongated ( Figures 22, 24 View Figures 19–39 ), or with distinct projection ( Figure 8 View Figures 1–18 ). Female features not as above...................... 29

29. Male with posterior edge of mesosome either rounded ( Figure 11 View Figures 1–18 ) or with small thickened projection ( Figure 8 View Figures 1–18 ). Female with anterior portion of subgenital plate groove narrow ( Figures 10, 12 View Figures 1–18 )............... 30

– Male with posterior edge of mesosome elongated ( Figures 22, 24 View Figures 19–39 ). Female with anterior portion of subgenital plate groove broad ( Figures 23, 25 View Figures 19–39 )..... 31

30. Male with posterior edge of mesosome with thickened projection; anterior pores surrounded by dark wide pigmented band ( Figure 8 View Figures 1–18 ). Female subgenital plate as in Figure 10 View Figures 1–18 ; each side with 4–8 medium to long setae (0.012 –0.025)................. columbae (L.)

– Male with posterior edge of mesosome rounded; anterior pores surrounded by only narrow pigmented band ( Figure 11 View Figures 1–18 ). Female subgenital plate as in Figure 12 View Figures 1–18 ; each side with 3–5 medium setae (0.012 –0.019)...... bacillus (Giebel)

31. Male genitalia as in Figure 22 View Figures 19–39 . Female subgenital plate as in Figure 23 View Figures 19–39 , groove with slight lateral expansion near midline......... turturis (Uchida)

– Male genitalia as in Figure 24 View Figures 19–39 . Female subgenital plate as in Figure 25 View Figures 19–39 , lateral margins of groove parallel, often with slightly jagged or uneven edges......................... keleri Tendeiro

32. Male genitalia as in Figure 120 View Figures 112–130 . Female subgenital plate as in Figure 121 View Figures 112–130 , with groove broad, shallow, with small narrow anterior projection; bordered by 0–5 minute setae (0.005) often difficult to discern....... fulmeki Eichler

– Not as above.................... 33

33. Male mesosome edged with serrated pigmented bands ( Figures 64, 66, 68, 70, 72, 74 View Figures 58–77 ). Female subgenital plate groove either elongate, narrow and rounded anteriorly, widening posteriorly ( Figures 65, 69, 71, 73 View Figures 58–77 ), or broadly rounded anteriorly, smoothly expanding posteriorly ( Figure 75 View Figures 58–77 )......... 34

– Male mesosome without serrated pigmented bands ( Figures 76 View Figures 58–77 , 82 View Figures 78–94 , 114, 118 View Figures 112–130 ). Female subgenital plate groove variable, either broad with widest point across midline as in Figures 111 View Figures 95–111 , 113, 115 View Figures 112–130 , or, if narrow anteriorly, groove distinctly constricting before expanding posteriorly ( Figure 77 View Figures 58–77 )......... 39