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FIGURES 16–19. Crassabwa flava, larval legs. 16 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 16–19. Crassabwa flava, larval legs. 16, apex of fore tibia and base of tarsus (posterior view); 17, same, enlarged; 18, apex of claw; 19, claw.

FIGURES 23–30. Crassabwa flava. 23, tergalius I in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 23–30. Crassabwa flava. 23, tergalius I of last instar larva in natural condition; 24, tergalius I spread on slide; 25, tergalius II; 26, costal rib of tergalius of penultimolarva (developing compressed ultimolarval denticles shown by interrupted line); 27 and 28, tergalii VI and VII; 29, tergalii II (in normal condition) and III (with dorsal cuticle partly separated from tissues); 30, enlarged fragment of this separated cuticle.

FIGURES 10–15. Crassabwa flava, larval legs. 10–12 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 10–15. Crassabwa flava, larval legs. 10–12, fore, middle and hind legs, anterior view; 13, apex of femur and base of tibia of middle leg, anterior view (bifurcate setae on opposite side shown by interrupted lines); 14, outer side of fore tibia with cross row of bifurcate setae (arrows show three setae of this row); 15, claw (inner-posterior view).

FIGURES 20–22 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 20–22. Crassabwa flava, exuviae of larval abdomen. 20, submedian part of tergum III; 21, its part, enlarged; 22, anterior-lateral part of sternum III with lateral rugose convexity and bifurcate setae laterad and posteriad of it (scale as on Fig. 20).

FIGURES 51–55. Wings. 51–53 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 51–55. Wings. 51–53, Crassabwa flava, hind wings of three individuals; 54–55, Crassabwa ludmilae sp. n., fore and hind wings on one scale.

FIGURES 76–83 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 76–83. Crassabwa ludmilae sp. n. 76–77, right and left mandibles; 78–79, biting edges of left and right mandibles of penultimolarva with developing ultimolarval mandibles inside; 80–82, biting edges of left and right mandibles of ultimolarva; 83, exuviae of labium with focus on ventral side.

FIGURES 1–4. Crassabwa flava, last instar larvae. 1–3 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 1–4. Crassabwa flava, last instar larvae. 1–3, dorsal view; 4, exuviae of half of pronotum and mesonotum.

FIGURES 5–9. Crassabwa flava. 5 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 5–9. Crassabwa flava. 5, labium (at left ventral view, with muscles of glossa, paraglossa and palp shown by interrupted lines; at right dorsal view); 6, apex of maxilla, dorsal view; 7, dentisetae and setae of inner-dorsal row of another individual; 8 and 9, left and right mandible of penultimolarva with developing ultimolarval mandibles inside. Abbreviations: ds1, ds2, ds3, dentisetae.

FIGURES 37–39 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 37–39. Crassabwa flava, genitals of male imago, ventral view (internal sclerites and muscles shown by interrupted lines; on right side of Fig. 37 and on Figs 38–39 gonostylar muscles not shown; on Fig 38 gonoducts shown by dotted lines). 37, specimen from Luangwa; 38–39, specimens from Great Ruaha. Arrow shows median projection of dorsal wall of unistyliger. Abbreviations: gs1, gs2, gs3, segments of gonostylus; mIX-X, places of attachment of muscles running to common base of paraprocts.

FIGURES 119–124 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 119–124. Crassabwa ameliae sp. n., holotype. 119, larval exuviae of abdominal terga and caudalii; 120–121, abdomen and cercus of male subimago extracted from larva; 122, larval hind leg with subimaginal leg inside (triangle shows point where patella-tibial suture crosses inner margin); 123, subimaginal hind wing extracted from larva; 124, larval exuviae of pronotum and mesonotum.

FIGURES 114–118 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 114–118. Crassabwa ameliae sp. n. 114–116, last instar larvae; 117–118, larva of penultimate instar.

FIGURES 66–75 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 66–75. Crassabwa ludmilae sp. n., larva. 66, claw; 67, fore leg (anterior view); 68, paraproct; 69–70, right and left mandibles (ventral view); 71, labrum (at left ventral view, at right dorsal view); 72, maxilla; 73, labial palp (ventral view); 74, labium (at left ventral view, at right dorsal view); 75, hypopharynx and superlinguae.

FIGURES 133–134 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 133–134. Crassabwa? vitrea (Navas 1930), holotype, female imago [photos by Digitalization team of Musée royal de l'Afrique centrale (Belgium)]. 133, dorsal view; 134, lateral view.

FIGURES 96–103 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 96–103. Crassabwa ludmilae sp. n. 96–97, female imagoes; 98, postsubalar sclerite of subimaginal exuviae (arrow shows concavity of dorsal margin of posterior-dorsal process); 99, half of exuviae of subimaginal mesonotum; 100–101, male imago; 102, fragment of fore leg of male imago with apex of tibia and 1st and 2nd tarsomeres; 103, apex of tibia and tarsus of hind leg.

FIGURES 104–107 in Redescription of the Afrotropical genus Crassabwa Lugo-Ortiz & McCafferty 1996 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 104–107. Crassabwa ludmilae sp. n., male genitals. 104, subimaginal genitals developing under larval cuticle; 105, exuviae of subimaginal genitals; 106, genitals of male imago, ventral view (unistyligers and gonostyli unnaturally brought together because of wrong fixation; internal sclerites and muscles shown by interrupted lines, right gonostylar muscle not shown; large arrow shows median projection of dorsal wall of unistyliger); 107, penis enlarged, ventral view (gonoducts shown by dotted lines). Abbreviations: gs1, gs2, gs3, segments of gonostylus; gv, gonovectis; mIX-X, places of attachment of muscles running to common base of paraprocts; pb, paired internal projection of penial bridge; usg, unistyliger.

FIGURES 105–108 in Revision of the Afrotropical genus Susua Lugo-Ortiz & McCafferty 1998 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 105–108. Susua niandanensis from Côte d'Ivoire. 105, fore and hind wings; 106, hind wing; 107, genitals of male imago, ventral view (gonovectes shown by interrupted lines); 108, penis of male imago with focus on right gonovectis and gonovectal muscle.

FIGURES 91–96. Susua niandanensis. 91–92 in Revision of the Afrotropical genus Susua Lugo-Ortiz & McCafferty 1998 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 91–96. Susua niandanensis. 91–92, hind femora of two specimens from Guinea (type locality); 93–95, exuviae of last instar larva from Zambia: 93, hind leg (black triangle shows point where patella-tibial suture crosses inner margin); 94, tergum V; 95, tergum VII; 96, sternum IX.

FIGURES 87–90 in Revision of the Afrotropical genus Susua Lugo-Ortiz & McCafferty 1998 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 87–90. Exuviae of left half of pronotum and mesonotum of last instar larva of Susua niandanensis from Zambia. 87, general view; 88, scales on pronotum; 89, scales on mesonotum; 90, scales on posterior part of fore protopteron.

FIGURES 78–86. Susua niandanensis from Zambia. 78–79 in Revision of the Afrotropical genus Susua Lugo-Ortiz & McCafferty 1998 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 78–86. Susua niandanensis from Zambia. 78–79, male larva of last instar; 80–81, exuviae of last instar female larva (80, right half of pronotum and mesonotum; 81, abdominal sterna, terga and caudalii); 82–84, parts of last instar male larva (82, pronotum and mesonotum; 83, metanotum; 84, abdomen); 85, subimaginal abdominal sterna and terga extracted from mature male larva; 86, abdominal terga and sterna of female imago (the same specimen as in Figs 80–81). Abbreviations: I–X, abdominal segments I–X.

FIGURES 69–77. Susua niandanensis from Zambia. 69 in Revision of the Afrotropical genus Susua Lugo-Ortiz & McCafferty 1998 (Ephemeroptera: Baetidae: Protopatellata)

FIGURES 69–77. Susua niandanensis from Zambia. 69, labium (at left ventral view; at right dorsal view); 70, larval claw; 71, hind wing of female imago (interrupted line shows lost part of costal projection); 72–73, tergalii I–II; 74–76, tergalii V–VII; 77, paraproct.