Pentilia, Mulsant, 1850

Gordon, Robert D., F, Guillermo González & Hanley, Guy A., 2019, South American Coccinellidae (Coleoptera), Part XXI: systematic revision of South American Pentilia Mulsant (Cryptognathini), Insecta Mundi 729 (729), pp. 1-27 : 3-4

Key to species of Pentilia

1. Elytron entirely brownish yellow or yellow, completely devoid of maculation ( Fig. 1 )....................................... 1. P. sadie Gordon and González , n. sp.

— Elytron entirely black or dark brown, or with distinct maculation..................... 2

2(1). Elytron with distinct maculation................................................ 3 — Elytron entirely black or dark brown, without maculation.......................... 16

3(2). Background color of elytron dark brown or black, maculation present.................. 4 — Background color of elytron yellow, or brownish yellow, maculation present............ 11

4(3). Elytron black with yellow maculation............................................ 5 — Elytron variable, background dark brown, maculation reddish yellow, or yellow......... 7

5(4). Elytron with single yellow macula at humeral angle ( Fig. 77 )................................................................ 15. P. lora, Gordon and González , n. sp.

— Elytron with 2 or more maculae................................................. 6

6(5). Elytron black with 2 yellow maculae ( Fig. 35 )........................................................................... 7. P. jasmine, Gordon and González , n. sp.

— Elytron black with 4 unequal yellow maculae ( Fig. 40 )................................................................... 8. P. rachael, Gordon and González , n. sp.

7(4). Elytron narrowly bordered with yellow or reddish yellow, or with narrow apical macula.. 8

— Elytron narrowly bordered with yellow or reddish yellow, with small apical macula ( Fig. 73 ).................................... 14. P. krystal, Gordon and González , n. sp.

8(7). Elytron with large, round, yellow median macula, extreme apex narrowly yellow, without pale lateral border ( Fig. 45 )................ 9. P. chelsea, Gordon and González , n. sp.

— Elytron with pale lateral border................................................. 9

9(8). Elytron with yellow, elongate macula in basal 1/2, and narrow, lateral yellow border widened at apex ( Fig. 18 )...................... 4. P. nichole, Gordon and González , n. sp.

— Elytron without macula, only lateral yellow border................................ 10

10(9). Elytron with border very narrow, less than 1/8 width of elytron ( Fig. 7 )................................................... 2. P. bernadette, Gordon and González , n. sp.

— Elytron with border wide, nearly 1/4 width of elytron ( Fig. 13 )................................................................ 3. P. traci, Gordon and González , n. sp.

11(3). Elytron with brown, black, or yellow lateral border on extreme margin................ 12

— Elytron without lateral border or with very narrow trace of border, dark vitta removed from margin......................................................................... 15

12(11). Lateral border on elytron yellow ( Fig. 29 ).... 6. P. kendra, Gordon and González , n. sp. — Lateral border on elytron brown or black........................................ 13

13(12). Lateral border surrounding elytron, narrowly projected inward at humeral angle ( Fig. 62 ).................................... 12. P. muriel, Gordon and González , n. sp.

— Lateral border surrounding elytron not projected inward at humeral angle............ 14

14(13). Elytron with distinct sutural vitta ( Fig. 50 ).. 10. P. mable, Gordon and González , n. sp.

— Elytron without sutural vitta, or if present, very narrow, Peru. ( Fig.24 , imaged specimen is teneral and does not exhibit key characters) 5. P. jody, Gordon and González , n. sp.

15(11). Pronotum with small, pale vitta at center of median dark macula ( Fig. 56 )................................................. 11. P. ernestine, Gordon and González , n. sp.

— Pronotum without pale vittae on median dark macula ( Fig. 67 )............................................................. 13. P. elena, Gordon and González , n. sp.

16(2). Penis guide of male genitalia with sides nearly parallel in basal 2/3, gradually narrowed to rounded apex in apical 2/3 ( Fig. 94 )........ 18. P. kari, Gordon and González , n. sp.

— Penis guide of male genitalia entirely slender or with sides convergent just before apex.. 17

17(16). Penis guide of male genitalia with sides convergent just before apex ( Fig. 91 ).......... 18

— Penis guide of male genitalia with sides slender, not strongly convergent before apex ( Fig. 102 ).................................................................... 20

18(17). Elytron dark brown; genitalia with penis guide long, basal lobe as long as paramere, sides parallel in basal 3/4, curved to rounded apex in apical 1/4 ( Fig.94 )....................................................... 17. P. nadine, Gordon and González , n. sp.

— Elytron black; genitalia with penis guide long, basal lobe as long as paramere, gradually narrowed at apical 1/3 to rounded apex, apex slightly emarginate.................. 19

19(18). Elytron black; genitalia with penis guide as long as paramere, gradually narrowed at apical 1/3 to rounded apex, apex slightly emarginate ( Fig. 107 ).............................................................. 20. P. dianna, Gordon and González , n. sp.

— Elytron black; genitalia with basal lobe as long as penis guide, basal 3/4 parallel sided, apical 1/4 narrowed to rounded apex, apex not emarginate ( Fig. 85 ).... 16. P. egena Mulsant

20(17). Basal lobe of male genitalia with distinctly emarginate apex ( Fig. 102 ); lateral margin of elytron with trace of red in apical 1/3; Trinidad... 19. P. estelle, Gordon and González , n. sp.

— Basal lobe of male genitalia not apically emarginate; lateral margin of elytron without trace of red in apical 1/3 ( Fig. 112 ); Peru...... 21. P. paulette, Gordon and González , n. sp.

Figures

Figures 1–17. Pentilia spp. 1-6) Pentilia sadie. 1) Habitus. 2) Frons. 3) Penis guide ventral. 4) Penis guide lateral. 5) Penis. 6) Spermathecal capsule. 7-12) Pentilia bernadette. 7) Habitus. 8) Frons. 9) Penis guide ventral. 10) Penis guide lateral. 11) Penis. 12) Spermathecal capsule. 13-17) Pentilia traci. 13) Habitus. 14) Frons. 15) Penis guide ventral. 16) Penis guide lateral. 17) Penis.

Figures 67–82. Pentilia spp. 67-72) Pentilia elena. 67) Habitus. 68) Frons. 69) Penis guide ventral. 70) Penis guide lateral. 71) Base of penis. 72) Spermathecal capsule. 73-76) Pentilia krystal. 73) Habitus. 74) Frons. 75) Penis guide ventral. 76) Penis guide lateral. 77-82) Pentilia lora. 77) Habitus. 78) Frons. 79) Penis guide ventral. 80) Penis guide lateral. 81) Apical 1/2 of penis. 82) Spermathecal capsule.

Figures 35–49. Pentilia spp. 35-39) Pentilia jasmine. 35) Habitus. 36) Frons. 37) Penis guide ventral. 38) Penis guide lateral. 39) Penis. 40-44) Pentilia rachael. 40) Habitus. 41) Frons. 42) Penis guide ventral. 43) Penis guide lateral. 44) Spermathecal capsule. 45-49) Pentilia chelsea. 45) Habitus. 46) Frons. 47) Penis guide ventral. 48) Penis guide lateral. 49) Spermathecal capsule.

Figures 18–34. Pentilia spp. 18-23) Pentilia nichole. 18) Habitus. 19) Frons. 20) Penis guide ventral. 21) Penis guide lateral. 22) Penis. 23) Spermathecal capsule 24-29) Pentilia jody. 24) Habitus. 25) Frons. 26) Penis guide ventral. 27) Penis guide lateral. 28) Penis. 29-34) Pentilia kendra. 29) Habitus. 30) Frons. 31) Penis guide ventral. 32) Penis guide lateral. 33) Penis. 34) Spermathecal capsule.

Figures 50–66. Pentilia spp. 50-55) Pentilia mable. 50) Habitus. 51) Frons. 52) Penis guide ventral. 53) Penis guide lateral. 54) Penis. 55) Spermathecal capsule. 56-61) Pentilia ernestine. 56) Habitus. 57) Frons. 58) Penis guide ventral. 59) Penis guide lateral. 60) Penis. 61) Spermathecal capsule. 62-66) Pentilia muriel. 62) Habitus. 63) Frons. 64) Penis guide ventral. 65) Penis guide lateral. 66) Spermathecal capsule.

Figures 83–99. Pentilia spp. 83-88) Pentilia egena. 83) Habitus. 84) Frons. 85) Penis guide ventral. 86) Penis guide lateral. 87) Penis. 88) Spermathecal capsule. 89-93) Pentilia nadine. 89) Habitus. 90) Frons. 91) Penis guide ventral. 92) lateral. 93) Penis. 94-99) Pentilia kari. 94) Habitus. 95) Frons. 96) Penis guide ventral. 97) Penis guide lateral. 98) Penis. 99) Spermathecal capsule.

Figures 100–115. Pentilia spp. 100-104) Pentilia estelle. 100) Habitus. 101) Frons. 102) Penis guide ventral. 103) Penis guide lateral. 104) Penis. 105-109) Pentilia dianna. 105) Habitus. 106) Frons. 107) Penis guide ventral. 108) Penis guide lateral. 109) Median portion of penis. 110-115) Pentilia paulette. 110) Habitus. 111) Frons. 112) Penis guide ventral. 113) Penis guide lateral. 114) Penis. 115) Spermathecal capsule.