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FIGURES 56 in A new species of Campsurus (Ephemeroptera: Polymitarcyidae: Campsurinae) from Argentina and Uruguay and redescription of C. evanidus and C. jorgenseni with new synonymies

FIGURES 56 (A–C). Eggs and Polar Caps (Schematic drawing). A, Campsurus jorgenseni; B, Campsurus vulturorum; C, Campsurus evanidus.

FIGURES 41–55. Campsurus jorgenseni. Imagos. Male. 41 in A new species of Campsurus (Ephemeroptera: Polymitarcyidae: Campsurinae) from Argentina and Uruguay and redescription of C. evanidus and C. jorgenseni with new synonymies

FIGURES 41–55. Campsurus jorgenseni. Imagos. Male. 41, head and thorax, d.v; 42, abdomen, d.v; 43, abdomen, l.v; 44, Fore wing; 45, Hind wing; Female. 46, Head and thorax, d.v; 47, abdomen, d.v; 48, Sternum VIII sockets, v.v; Male. 49–50, Genitalia, v.v; 51, pedestal detail, v.v; 52, penes detail, v.v; 53–54, Holotype genitalia of C. scutellaris, v.v; 55, pedestal and penis details, ventrolateral view.

FIGURES 1–17 in A new species of Campsurus (Ephemeroptera: Polymitarcyidae: Campsurinae) from Argentina and Uruguay and redescription of C. evanidus and C. jorgenseni with new synonymies

FIGURES 1–17. Campusurus vulturorum sp. nov. Male and female imagos. Male. 1, Head and thorax d.v; 2, fore legs dorsolateral view; 3, Abdomen d.v; 4, Abdomen l.v; Female. 5, head and thorax d.v; 6, head, thorax and fore leg l.v; 7, abdomen d.v; 8, abdomen l.v; Male. 9, fore wing; 10, hind wing; 11, genitalia ventrolateral view; 12, genitalia v.v; 13, penes detail v.v; 14, penis dorsal lobe detail, v.v; 15, penis ventral lobe detail, v.v; 16, pedestal detail, v.v; 17, Female sockets, v.v.

FIGURES 18–25 in A new species of Campsurus (Ephemeroptera: Polymitarcyidae: Campsurinae) from Argentina and Uruguay and redescription of C. evanidus and C. jorgenseni with new synonymies

FIGURES 18–25. Campsurus vulturorum, sp. nov. Nymph. 18, male and female nymphs (right mandibles were extracted), d.v; 19, head and thorax d.v; 20, right mandible, v.v; 21, right mandible tubercles, inner-ventral view; 22, right mandible, d.v; 23, right maxilla (detail of ventral gill), inner-ventral view; 24, right fore leg, d.v; 25, right fore leg, v.v.

FIGURES 26–40. Campsurus evanidus. Imagos. Male. 26 in A new species of Campsurus (Ephemeroptera: Polymitarcyidae: Campsurinae) from Argentina and Uruguay and redescription of C. evanidus and C. jorgenseni with new synonymies

FIGURES 26–40. Campsurus evanidus. Imagos. Male. 26, Head and thorax, d.v; 27, abdomen, d.v; 28, abdomen, l.v; Female. 29, Head and thorax, d.v; 30, Abodmen, d.v; Male. 31, Fore wing; 32, Hind wing; 33–34, Genitalia, v.v; 35, ventrolateral view; 36, pedestal detail, v.v; 37, Female sternum VIII v.v; 38, Female sockets detail, v.v; 39, Genitalia of Holotype of C. juradinus, v.v; 40, same l.v.

FIGURES 10–14 in The adults and nymphs of Asthenopus angelae new species (Ephemeroptera: Polymitarcyidae) from Argentina, Bolivia, Brazil and Colombia

FIGURES 10–14. Asthenopus angelae sp. nov. Genitalia and eggs: (10) male genitalia, ventral view; (11) detail of penis lobe; (12) detail of forceps and penis lobe; (13) detail of female sternum VIII; (14) eggs. Abbreviations: bw = basal width; mbp = median basal protrusion; p = pedestal; s = styliger (not in natural position); tl = total length.

FIGURES 6–9 in The adults and nymphs of Asthenopus angelae new species (Ephemeroptera: Polymitarcyidae) from Argentina, Bolivia, Brazil and Colombia

FIGURES 6–9. Asthenopus angelae sp. nov. Wings: (6) fore wing of male; (7) hind wing of male; (8) fore wing of female; (9) hind wing of female. mi = marginal intercalary vein. Scale bars: 1 mm.

FIGURES 1–5 in The adults and nymphs of Asthenopus angelae new species (Ephemeroptera: Polymitarcyidae) from Argentina, Bolivia, Brazil and Colombia

FIGURES 1–5. Asthenopus angelae sp. nov. Male imago: (1) lateral view; (2) tarsal claw of foreleg; (3) Middle leg; (4) hind leg; (5) dorsal view.

FIGURES 15–27 in The adults and nymphs of Asthenopus angelae new species (Ephemeroptera: Polymitarcyidae) from Argentina, Bolivia, Brazil and Colombia

FIGURES 15–27. Asthenopus angelae sp. nov. Nymphs: (15) head, frontal view, mandibles dissected; (16) left mandible, dorsal view; (17) right mandible, dorsal view; (18) right mandible, ventral view; (19) maxilla; (20) labium, ventral view; (21) labium lateral view; (22) hypopharynx, ventral view; (23) head, pro and mesothorax, lateral view; (24) middle and hind legs; (25) gill I; (26) segment X, lateral view; (27) habitus dorsal. Abbreviations: sp = spine-like projection.

FIGURES 1–7 in A new species of Asthenopus (Ephemeroptera: Polymitarcyidae: Asthenopodinae) from Brazil and Colombia

FIGURES 1–7. Asthenopus crenulatus sp. nov. Male imago. 1, body, d.v. (= dorsal view); 2, body, v.v. (= ventral view); 3, forewing; 4, hind wing; 5, genitalia, v.v.; 6, penes; 7, detail of penes. Abbreviations: bw = basal width; mi = marginal intercalaries; mp = median plate of styliger; p = pedestal; s IX = sternum IX; tl = total length.

FIGURES 8–13 in A new species of Asthenopus (Ephemeroptera: Polymitarcyidae: Asthenopodinae) from Brazil and Colombia

FIGURES 8–13. Asthenopus crenulatus sp. nov. Female subimago. 8, body, d.v. (= dorsal view); 9, body, v.v. (= ventral view); 10, forewing; 11, hind wing; 12, abdominal sterna VIII–IX; 13, detail of sockets. Abbreviations: so = sockets; s VIII, s IX = sterna VIII and IX. d.v.

FIGURES 171–175 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 171–175. Male imago, general view, dorsal: 171, C. povilla sp. nov.; 172, C. lucidus; 173, C. demeni sp. nov.; 174, C. indivisus (from Alegre); 175, C. inusitatus sp. nov.

FIGURES 151–162 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 151–162. Campsurus litaninensis, adult: 151, male genitalia, v.v.; 152–153, details of pedestal, v.v; 154, genitalia, l.v.; 155–156, details of penes, l.v.; 157, detail of female socket, v.v.; 158, detail of pedestal, v.v. SEM: 159, male genitalia, v.v.; 160, detail of microtrichia on male sternum IX; 161, detail of pedestal, v.v.; 162, detail of penes, v.v.

FIGURES 146–150. C in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 146–150. C. segnis (specimens from Venezuela): 146, male imago, abdomen, laterodorsal view; 147, female imago, abdomen, d.v.; 148, female head and thorax, v.v. (fs = mesofurcasternum, im = inner margin, p = mesofurcasternal plates, L = middle legs); 149, abdominal sterna (g = gonopore and eggs, sk = sockets, roman numbers = segment number); 150, detail of sockets (arrows indicate socket´s openings).

FIGURES 129–137 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 129–137. Campsurus indivisus. Female adult: 129, partial view of abdominal sternum VIII and detail of sockets. Nymph: 130, head, d.v.; 131, left mandibular tusk, d.v.; 132, same, inner view; 133, 134, fore leg, d.v. with detail of claw; 135, fore leg, v.v. (schematic, showing arcs of filtering setae); 136, middle leg with detail of claw, d.v.; 137, hind leg with detail of claw, d.v.

FIGURES 123–128 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 123–128. Campsurus indivisus, adult, SEM: 123, male terminalia, v.v.; 124, detail of pedestal, v.v. (p= pedestal, ic= inner corner); 125, detail of penes and pedestals, v.v. (bp=base of penes, g= gonopore, ml= main lobe of penes, sl= secondary lobe); 126, detail of apical portion of penes, v.v; 127, gonopores (g) at base of penes, v.v.; 128, microlepides on male sternum IX.

FIGURES 117–122 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 117–122. Campsurus inusitatus sp. nov., male imago, SEM photographs: 117, genitalia, v.v. (g?= gonopore, mf= median furrow of styliger, ml= main lobe of penes, sl= secondary lobe); left mandible, v.v.;118, detail of microlepides on sternum IX; 119, detail of penes and pedestals (note that penean membrane was broken during preparation); 120, detail of penean lobes, v.v. Line drawings: 121, male genitalia, v.v.; 122, male terminalia, l.v. (t.IX–t.X = tergum IX and X, s. IX =sternum IX, c= cercus base, p= paraproct, ml= main lobe of penes, sl= secondary lobe).

FIGURES 111–116 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 111–116. Campsurus demeni sp. nov.: 111, penes and pedestal, with detail of microlepides on sternum IX, v.v. (SEM). Campsurus lucidus (Bolivia): 112, male mesosternum (p = mesofurcasternal plate, im = inner margin of plate, L = leg); 113, female abdominal sterna VI–IX (g = gonopore and eggs, sk = sockets, roman numbers = number of abdominal segment); 114, same, detail after KOH treatment. Campsurus sinamari sp. nov. (KOH treated): 115, sternum VIII; 116, detail of sockets. Arrows indicate socket´s openings.

FIGURES 94–99 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 94–99. Campsurus povilla sp. nov., nymph: 94, head, d.v.; 95, right mandible, d.v.; 96, fore leg, d.v.; 97, same, v.v. (schematic); 98, middle leg, d.v.; 99, hind leg, d.v.

FIGURES 77–84 in Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus

FIGURES 77–84. Campsurus zunigae sp. nov., nymph: 77, head, nymphal exuvia (setation on left antenna and mandible omitted); 78, right mandible, d.v.; 79, same, detail of apex (hair–like setae omitted); 80, left mandible, detail of tusk, d.v.; 81, right maxilla, v.v.; 82, fore leg, v.v. (shematic) with detail of fore tarsal claw; 83, fore leg, d.v.; 84, hind leg with detail of claw, d.v.