Neoperla costata, Zwick & Zwick, 2023

Zwick, Peter & Zwick, Andreas, 2023, Revision of the African Neoperla Needham, 1905 (Plecoptera: Perlidae: Perlinae) based on morphological and molecular data, Zootaxa 5316 (1), pp. 1-194 : 3

6. Taxonomy.............................................................................................. 15 Genus Neoperla Needham, 1905 ........................................................................ 15 I. Keys to species groups and species of African Neoperla (Neoperla) ...................................... 17 Males ...................................................................................... 17 Females .................................................................................... 18 Key to females with non-striate eggs.............................................................. 19 II. The Neoperla transvaalensis -group (= clade A)...................................................... 19 Keys to species in the N. transvaalensis -clade, and to similar species of uncertain relations.................. 20 1. Neoperla transvaalensis (Enderlein, 1909) ................................................... 21 2. Neoperla laticollis Klapálek, 1909 ......................................................... 26 3. Neoperla lujana Navás, 1931 ............................................................. 28 4. Neoperla costata n. sp................................................................... 29 5. Neoperla serrula n. sp................................................................... 32 6. Neoperla kalengonis n. sp................................................................ 32 7. Neoperla rostrata n. sp................................................................... 34 8. Neoperla luhohonis n. sp................................................................. 34 9. Neoperla spectabilis n. sp................................................................. 36 10. Neoperla luluana Navás, 1931 ........................................................... 38 11. Neoperla ivanloebli n. sp................................................................ 39 12. Neoperla pallidogigas n. sp.............................................................. 41 III. The N. duodeviginti- assemblage (= clade B)........................................................ 42 13. Neoperla angolana n. sp................................................................ 42 14. Neoperla pickeri n. sp.................................................................. 44 15. Neoperla coffea n. sp................................................................... 44 16. Neoperla duodeviginti n. sp.............................................................. 46 17. Neoperla didita (Enderlein, 1909) ......................................................... 48 18. Neoperla juxtadidita n. sp............................................................... 50 IV. The N. africana-group ......................................................................... 50 Keys to species in the N. africana -group.......................................................... 51 IV.1 The N. africana -complex (= clades D, E)...................................................... 52 Clade D.................................................................................... 52 19. Neoperla planidorsum n. sp.............................................................. 52 20. Neoperla decorata n. sp................................................................. 54 21. Neoperla cataractae n. sp................................................................ 54 Clade E..................................................................................... 56 22. Neoperla erinaceus n. sp................................................................ 56 23. Neoperla africana Klapálek, 1909 ........................................................ 59 24. Neoperla panafricana n. sp.............................................................. 64 25. Neoperla camerunensis (Enderlein, 1909) .................................................. 67 IV.2 The N. pilulifera -complex (~ clade F)......................................................... 70 Keys to species............................................................................... 70 26. Neoperla caeleps n. sp.................................................................. 71 27. Neoperla plicata n. sp................................................................... 72 28. Neoperla pirus n. sp.................................................................... 74 29. Neoperla amoena n. sp.................................................................. 74 30. Neoperla pilulifera n. sp................................................................ 76 31. Neoperla aethiopica n. sp................................................................ 79 32. Neoperla crustata n. sp................................................................. 80 33. Neoperla occulta n. sp.................................................................. 81 34. Neoperla nichollsi n. sp................................................................. 83 35. Neoperla pusilla n. sp................................................................... 83 36. Neoperla multiserrata n. sp.............................................................. 85 37. Neoperla brachyphallus n. sp............................................................ 85 IV.3. The Neoperla spio -complex (~ clade G)....................................................... 87 Keys to species in the N. spio -complex............................................................ 87 38. Neoperla burgeoni Navás, 1926 .......................................................... 89 39. Neoperla beta n. sp..................................................................... 96 40. Neoperla sassandrae n. sp............................................................... 97 41. Neoperla benti n. sp.................................................................... 98 42. Neoperla bipolaris n. sp................................................................. 99 43. Neoperla schuelei n. sp................................................................ 101 44. Neoperla nigricauda Klapálek, 1909 ..................................................... 101 45. Neoperla spio ( Newman, 1839) .......................................................... 103 46. Neoperla bella n. sp................................................................... 106 47. Neoperla funiculata n. sp............................................................... 108 48. Neoperla biserrata n. sp................................................................ 110 49. Neoperla tansanica n. sp............................................................... 112 50. Neoperla usambara n. sp............................................................... 112 51. Neoperla sambarua n. sp............................................................... 115 IV.4 The Neoperla orthonema -complex (= clade H)................................................ 116 52. Neoperla orthonema n. sp.............................................................. 116 53. Neoperla filamentosa n. sp............................................................. 120 54. Neoperla spironema n. sp.............................................................. 120 IV.5. The Neoperla dubia- complex (= clade I)..................................................... 122 55. Neoperla dubia Klapálek, 1909 .......................................................... 122 56. Neoperla proxima n. sp................................................................ 124 57. Neoperla vicina n. sp.................................................................. 125 58. Neoperla gordius n. sp................................................................ 127 59. Neoperla spaghetti n. sp................................................................ 128 V. The Neoperla excisa and N. sjostedti -operational complex (~ clade J, clade K + L)........................ 130 Keys to species.............................................................................. 130 Clade J.................................................................................... 132 60. Neoperla bareensis n. sp............................................................... 132 61. Neoperla lineata n. sp................................................................. 133 62. Neoperla conradti (Enderlein, 1909) ..................................................... 135 63. Neoperla muyukae n. sp............................................................... 137 64. Neoperla excisa Klapálek, 1909 ......................................................... 138 65. Neoperla heideae n. sp................................................................. 140 66. Neoperla larvata n. sp................................................................. 143 67. Neoperla sorella n. sp.................................................................. 144 68. Neoperla simplex n. sp................................................................. 144 V.1. The Neoperla sjostedti -complex (= clade K)................................................... 146 69. Neoperla claviger n. sp................................................................. 146 70. Neoperla dianae n. sp.................................................................. 147 71. Neoperla gibbosa n. sp................................................................. 149 72. Neoperla dolium n. sp................................................................. 150 73. Neoperla excavata n. sp................................................................ 153 74. Neoperla crenulata n. sp............................................................... 154 75. Neoperla massevensis n. sp............................................................. 156 76. Neoperla tangana sp. nov.............................................................. 157 77. Neoperla socia n. sp................................................................... 159 78. Neoperla sjostedti Klapálek, 1909 ........................................................ 161 78A. Neoperla sjostedti sjostedti Klapálek, 1909 .............................................. 161 78B. Neoperla sjostedti needhami Lestage, 1921 , new status..................................... 164 79. Neoperla sjostedti cf. needhami ......................................................... 167 V.2. The Neoperla arambourgana -complex (= clade L)............................................. 168 80. Neoperla arambourgana Navás, 1936 .................................................... 169