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41 results for “Caenis”
FIGURES 172–178 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 172–178. Nymph, abdominal terga: 172, C. argentina; 173, C. burmeisteri; 174, C. dominguezi; 175, C. ludicra; 176, C. tenella; 177, C. plaumanni; 178, C. uruzu.
FIGURES 158–161 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 158–161. Nymph, general view: 158, C. argentina; 159, C. burmeisteri; 160, C. dominguezi; 161, C. ludicra.
FIGURES 139–157 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 139–157. Left and right mandibles, d.v.: 139–140, C. argentina; 141–142, C. burmeisteri; 143–144, C. dominguezi; 145–146, C. gonseri; 147–148, C. tenella; 149–150, C. ludicra; 151–152, C. plaumanni; 153–154, C. uruzu. Hypopharynx, v.v.: 155, C. burmeisteri; 156, C. dominguezi; 157, C. tenella.
FIGURES 50–65 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 50–65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l.v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d.v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg.
FIGURES 66–85. Caenis ludicra, nymph. 66 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 66–85. Caenis ludicra, nymph. 66, middle coxa; 67, hind coxa; 68, hind claw; 69, middle claw; 70, foreclaw; 71, hind claw; 72, middle claw; 73, foreclaw; 74, microtrichia on dorsum of operculate gill; 75–76, microtrichia on submarginal ventral row of operculate gill; 77, seta on posterior margin of hind tibia; 78, seta on posterior margin of hind tarsi; 79, setae on dorsal transverse row of fore femora; 80, microtrichia on dorsum of hind femora; 81, seta on hind tarsi; 82, seta of posterior margin of hind femora; 83, foreleg; 84, middle leg; 85, hind leg.
FIGURES 15–30 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 15–30. Caenis burmeisteri. Male imago: 15, genitalia, v.v.; 16–18, detail of forceps, v.v. Nymph: 19, detail of anteromedian emargination of labrum; 20, labrum, d.v.; 21, hind coxa; 22, middle coxa; 23, foreleg; 24, middle leg; 25, hind leg; 26, microtrichia on submarginal ventral row of gill II; 27, gill II, d.v.; 28, foreclaw; 29, middle claw; 30, hind claw.
FIGURES 179–184 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 179–184. Nymph, abdominal sterna: 179, C. argentina; 180, C. burmeisteri; 181, C. dominguezi; 182, C. tenella; 183, C. plaumanni; 184, C. uruzu.
FIGURES 1–14. Caenis argentina, nymph. 1 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 1–14. Caenis argentina, nymph. 1, middle coxa, d.v.; 2, hind coxa, d.v; 3, foreclaw; 4, middle claw; 5, hind claw; 6, microtrichia on dorsum of gill II; 7–8, microtrichia on ventral submarginal row of gill II; 9, setae on longitudinal row of middle and hind tarsi; 10, setae on subapical dorsal row of fore femora; 11, setae on longitudinal row of foretarsi; 12, foreleg; 13, middle leg; 14, hind leg.
FIGURES 123–138. Caenis tenella, nymph. 123 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 123–138. Caenis tenella, nymph. 123, labrum, d.v.; 124, labium, v.v. (palpus and setae at the right, omitted); 125, pronotum, left half; 126, detail of posteromedian projection of abdominal tergum II; 127, middle coxa; 128, hind coxa; 129, setae on dorsal transverse row of fore femora; 130, foreleg; 131, middle leg; 132, hind leg; 133, microtrichia of submarginal ventral row of operculate gill; 134, operculate gill; 135, IX sternum, v.v. (a, female; b, male); 136, foreclaw; 137, middle claw; 138, hind claw.
FIGURES 165–166 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 165–166. Nymph, head color pattern: 165, C. argentina; 166, C. burmeisteri; 167, C. dominguezi; 168, C. tenella; 169, C. ludicra; 170, C. plaumanni; 171, C. uruzu.
FIGURES 31–49. Caenis dominguezi, nymph. 31 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 31–49. Caenis dominguezi, nymph. 31, labrum and detail of anteromedian emargination, d.v.; 32, setae on dorsum of hind femora; 33, seta on hind tibiae; 34, setae of fore femoral dorso-transversal row; 35, pronotum, d.v.; 36, fore leg; 37, middle leg; 38, hind leg; 39, middle coxa; 40, hind coxa; 41, foreclaw; 42, middle claw; 43, hind claw; 44, operculate gill and detail of dorsal surface; 45–46, microtrichia of submarginal ventral row of operculate gill; 47, abdominal gill III; 48, abdominal segment II and operculate gill, l.v.; 49, sternum IX of a male nymph. Abrevviations: OG=operculate gill; T2= second abdominal tergum.
FIGURES 86–95. Caenis plaumanni, nymph. 86 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 86–95. Caenis plaumanni, nymph. 86, foreclaw; 87, middle claw; 88, hind claw; 89, seta on transverse dorsal row of fore femora; 90, seta on dorsum of hind femora; 91, seta on hind tarsi; 92, hind coxa, detail 93, fore leg; 94, middle leg; 95, hind leg.
FIGURES 96–122 in South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions
FIGURES 96–122. Caenis uruzu. Male imago: 96, genitalia, v.v.; 97–98, details of forceps, v.v.; 99, lateral filaments of abdomen; 100, preesternal triangle; 101, detail of finger-like projection of abdominal tergum II, l.v. Nymph: 102, detail of anteromedian emargination of labrum; 103, labrum, d.v.; 104, detail of posteromedian projection of tergum II; 105, labium, v.v. (setae omitted on right side); 106–107, pronotal lateral margin; 108, middle coxa; 109, hind coxa; 110, operculate gill; 111, microtrichia on submarginal ventral row of operculate gill; 112, foreclaw; 113, middle claw; 114, hind claw; 115, setae on dorsum of middle and hind femora; 116, microtrichia on dorsum of operculate gill; 117, seta on posterior margin of hind tibia; 118, seta on hind tarsi; 119, setae on transverse dorsal row on fore femora; 120, fore leg; 121, middle leg; 122, hind leg.
FIGURES 1–2. DNA barcoding results. 1 in A new hidden species of the Cymothoe caenis - complex (Lepidoptera: Nymphalidae) from western Africa
FIGURES 1–2. DNA barcoding results. 1. Map of Africa showing the collection sites for the specimens examined in this study. Sites where C. caenis s.s. and C. druryi sp. nov. were collected are represented by triangles and pentagons respectively. 2. Neighbor joining haplotype tree based on K2P distances between DNA barcodes. Each specimen is identified by its sample ID code (see Table 1). CAM = Cameroon, CAR = Central African Republic, DRC = Democratic Republic of the Congo, GAB = Gabon, GH = Ghana, GUI = Guinea, NIG = Nigeria, SL = Sierra Leone, RWA = Rwanda.
FIGURE 3 in A new hidden species of the Cymothoe caenis - complex (Lepidoptera: Nymphalidae) from western Africa
FIGURE 3. Male genitalia of Cymothoe drury sp. nov. from Sierra Leone [Rydon 102] (NHM, London 30414; the fultura is damaged) and Cymothoe caenis Drury from Nigeria [Rydon 81] (NHM, London 30446).
FIGURES 8–11 in A new mayfly species of Caenis from headwater of Zijin Hill (Nanjing, Eastern China) (Ephemeroptera: Caenidae)
FIGURES 8–11. Male imago of Caenis pycnacantha sp. nov. 8, antenna base; 9, fore wing; 10, genitalia (dorsal view on left and ventral view on right); 11, forceps enlarged.
FIGURES 2–7 in A new mayfly species of Caenis from headwater of Zijin Hill (Nanjing, Eastern China) (Ephemeroptera: Caenidae)
FIGURES 2–7. Mouthparts of mature nymph of Caenis pycnacantha sp. nov. 2, labrum; 3, left mandible; 4, right mandible; 5, maxilla (ventral veiw); 6, labium (ventral view); 7, hypopharynx (ventral view).
FIGURES 14–15 in A new mayfly species of Caenis from headwater of Zijin Hill (Nanjing, Eastern China) (Ephemeroptera: Caenidae)
FIGURES 14–15. Operculate gill of Caenis pycnacantha sp. nov. (SEM photo). 14, palmate setae on ventral operculate gill; 15, setae enlarged
FIGURE 1 in A new species of Caenis Stephens, 1836 (Ephemeroptera: Caenidae) from Southern Brazil
FIGURE 1. Caenis gaucha sp. nov. Male imago: A) abdominal color pattern, dorsal view; B) prosternum and prosternal longitudinal ridges, ventral view; C) variations in forceps; D) male genitalia, ventral view; E) egg; F) photograph of egg (a=apophysis, cs=central sclerite, f=forceps, p=penes, pc=polar cap, sc=styliger sclerite). Scale bar = 25µm.
FIGURE 1 in Two new species of Caenis Stephens, 1835 (Ephemeroptera: Caenidae) from South America
FIGURE 1. Records of the new species of Caenis from South America: Caenis amacayacu sp. nov. (red star) and Caenis elidioi sp. nov. (orange circles).
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