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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 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.

FIGURES 167–170 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 167–170. Male imago, general view, dorsal: 167, C. dasilvai sp. nov.; 168, C. zunigae sp. nov.; 169, C. pereirae sp. nov.; 170, C. janae sp. nov.

FIGURES 100–110 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 100–110. Male imagos. Campsurus lucidus: 100, genitalia, v.v.; 101, detail of penes, v.v.; 102, detail of pedestal, v.v. Campsurus sinamari sp. nov.: 103, genitalia, v.v.; 104, detail of penes, v.v.; 105–106, details of pedestal, v.v. Campsurus demeni sp. nov.: 107, genitalia, v.v.; 108, male terminalia, l.v.; 109, detail of penes, v.v.; 110, detail of pedestal, v.v. Abbreviations: ic=inner corner, ml=main lobe, p=parastylus, sl=secondary lobe.

FIGURES 68–76 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 68–76. Male adults. Campsurus zunigae sp. nov.: 68, genitalia of imago, v.v.; 69, genitalia of subimago, l.v.; 70, detail of penes of imago, l.v. Campsurus pereirae sp. nov., imago: 71, genitalia, v.v.; 72, detail of pedestal, v.v.; 73, detail of penes, v.v.; 74, genitalia, l.v. (forceps omitted). Campsurus janae sp. nov., imago: 75, genitalia, v.v.: 76, detail of penes, l.v.

FIGURES 60–67 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 60–67. Campsurus nessimiani sp. nov., nymph: 60, head, d.v.; 61, left mandible, outer lateroventral view (showing arc of filtering setae); 62, same, oclusal view; 63, right mandible, d.v.; 64, fore leg, d.v.; 65, same, schematic, v.v.; 66, middle leg, d.v.; 67, hind leg, d.v.

FIGURES 35–50 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 35–50. Campsurus essequibo, imago. Holotype male genitalia: 35, general v.v.; 36, detail of penes, v.v. Female adult: 37, abdominal sternum VIII; 38, detail of sockets. Male imago: 39–42, genitalia, variations, v.v.; 43, genitalia after treatment with KOH; 44–47, genitalia, variations, l.v.; 48, male mesofurcasternum. SEM photographs: 49, genitalia, v.v. (with detail of microlepides); 50, detail of penes, v.v.

FIGURES 163–166 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 163–166. Male imago, general view, dorsal: 163, C. latipennis; 164, C. salobra; 165, C. essequibo; 166, C. nessimiani sp. nov. Abbreviations: ap=anteronotal projection, mps= medio parapsidal suture, ph= pronotal hump, psp= posteroscutal protuberances.