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184 results for “Aeshnidae”
FIGURES 1–7 in Aeshna shennong sp. nov., a new species from Hubei Province, China (Odonata: Anisoptera: Aeshnidae)
FIGURES 1–7. Aeshna shennong sp. nov., holotype male (1–2, 5–6) and paratype female (3–4, 7): (1) body in lateral view; (2) body in dorsal view; (3) body in lateral view; (4) body in oblique-dorsal view; (5) head in frontal view; (6) head in dorsal view; (7) head in frontal view.
FIGURES 8–13 in Description of Sarasaeschna kaoi sp. nov. in Taiwan, with notes on the proposed differentiating characters of the pyanan - group (Odonata, Aeshnidae)
FIGURES 8–13. Genital characters of S. kaoi. 8, male anal appendages, lateral; 9, do, dorsal; 10, male epiproct, ventral; 11, penis, ventral; 12, do, lateral; 13, female cerci, lateral.
FIGURE 7 in A brief look at the Odonata from the Páramo ecosystems in Colombia, with the descriptions of Oxyallagma colombianum sp. nov. and Rhionaeschna caligo sp. nov. (Odonata: Coenagrionidae, Aeshnidae, Libellulidae)
FIGURE 7. Map of Páramo localities, including also some localities outside Páramo ecosystems where Oxyallagma colombianum and O. dissidens were found.
FIGURE 6 in A brief look at the Odonata from the Páramo ecosystems in Colombia, with the descriptions of Oxyallagma colombianum sp. nov. and Rhionaeschna caligo sp. nov. (Odonata: Coenagrionidae, Aeshnidae, Libellulidae)
FIGURE 6. Oxyallagma colombianum (Páramo Sabanas): Female paratype: (a) Dorsal view of pronotum posterior lobe and mesostigmal plates. Male paratype (Páramo Las Baldías): (b) Ectal view of genital ligula; (c) Lateral view of caudal appendages; (d) Medio-dorsal view of caudal appendages. l-m. l.: Latero-medial lobes. m.p.: Mesostigmal plates. p.p.l.: Pronotum posterior lobe. e. v–ap. p.: Ventroapical external process. v–b t.: Ventrobasal tooth. i. d. p.: Inner dorsal process. p. d. b.: Paraproct dorsal branch. p. v. b.: Paraproct ventral branch. Illustrations by Natalia Uribe Macias.
FIGURE 5 in A brief look at the Odonata from the Páramo ecosystems in Colombia, with the descriptions of Oxyallagma colombianum sp. nov. and Rhionaeschna caligo sp. nov. (Odonata: Coenagrionidae, Aeshnidae, Libellulidae)
FIGURE 5. Oxyallagma colombianum: (Páramo Sabanas): (a) Pair in wheel position; (b) Tandem pair; (Antioquia, Labores): (c) Ovipositing pair with microparasitoid close to the oviposition place; (d) Tandem pair (photograph by Cintia Moreno).
FIGURE 4 in A brief look at the Odonata from the Páramo ecosystems in Colombia, with the descriptions of Oxyallagma colombianum sp. nov. and Rhionaeschna caligo sp. nov. (Odonata: Coenagrionidae, Aeshnidae, Libellulidae)
FIGURE 4. (a) Ischnura ramburii female (Páramo El Morro). (b)Oxyallagma colombianum, teneral male (Antioquia, Labores). Oxyallagma dissidens: (c) Female (Nariño, La Cocha); (d) Male (Cauca, Silvia).
FIGURE 1 in A brief look at the Odonata from the Páramo ecosystems in Colombia, with the descriptions of Oxyallagma colombianum sp. nov. and Rhionaeschna caligo sp. nov. (Odonata: Coenagrionidae, Aeshnidae, Libellulidae)
FIGURE 1. Rhionaeschna caligo: (a) Male paratype (Páramo El Morro); (c) Male paratype (Páramo Sabanas). (b) Rhionaeschna marchali: Male (Tolima, Murillo).
FIGURE 3 in A brief look at the Odonata from the Páramo ecosystems in Colombia, with the descriptions of Oxyallagma colombianum sp. nov. and Rhionaeschna caligo sp. nov. (Odonata: Coenagrionidae, Aeshnidae, Libellulidae)
FIGURE 3. Sympetrum paramo: (a) Teneral female and exuvia (Páramo El Congo); (b) Male (Páramo El Morro). Erythrodiplax connata-group (Cauca, Timbio): (c) Mature male; (d) Immature male (same coloration as females).
FIGURE 2 in A brief look at the Odonata from the Páramo ecosystems in Colombia, with the descriptions of Oxyallagma colombianum sp. nov. and Rhionaeschna caligo sp. nov. (Odonata: Coenagrionidae, Aeshnidae, Libellulidae)
FIGURE 2. (a) Rhionaeschna peralta female (habitus). Rhionaeschna caligo: (b) Hamuli, ventroposterior view; (c) Caudal appendages lateral view; (d) Vesica spermalis ventral view; (e) left spine of anterior lamina. (f) Rhionaeschna joannisi male (habitus). Illustrations by Natalia Uribe Macias.
FIGURE 2. A–B in Description of the larva of Gynacantha millardi Selys, 1891 (Odonata: Aeshnidae) from Chhattisgarh, India
FIGURE 2. A–B: Gynacantha millardi. Larval habitat, A. Pool inside Badalkhol Wildlife Sanctuary, Chhattisgarh, India; B. Hangingback emergence.
FIGURE 1.A–H in Description of the larva of Gynacantha millardi Selys, 1891 (Odonata: Aeshnidae) from Chhattisgarh, India
FIGURE 1.A–H: Gynacantha millardi. A. Final Instar Female Larva (Dorsal view); B. Antenna; C. Labium; D. Left Labial Palp; E. Female Abdominal Terminalia (Dorsal view); F. Tibial Comb; G. Male Abdominal Terminalia (Dorsal view); H. Female Gonapophysis (Ventral view).
FIGURE 3 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 3. Gynacantha dryadula sp. nov., male holotype from Manaus, Brazil: S10 with caudal appendages: a) right lateral view; b) dorsal view; c) left dorsolateral view.
FIGURE 5 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 5. Gynacantha dryadula sp. nov., from Brazil: larva (ultimate instar exuviae of holotype), dorsal view.
FIGURE 2 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 2. Gynacantha dryadula sp. nov., a-j: male holotype from Manaus, Brazil, h: paratype from Barcelos, Brazil: a) head and thorax; b) right pair of wings; c) left pair of wings, d) base of abdomen showing constriction at S3, ventral view; e) base of abdomen showing relative length of auricle, right lateral view; f) genital fossa, ventral view; g) anterior hamuli, ventral view; h) vesica spermalis, left lateral view.
FIGURE 1. a in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 1. a) Gynacantha dryadula sp. nov., male paratype from French Guiana, Kaw Mountain (photo Chris Rasmussen); b) Gynacantha dryadula sp. nov., female paratype from the upper Mavaca river, Venezuela (photo second author) (both without scale).
FIGURE 7 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 7. Gynacantha dryadula sp. nov. from Brazil, larva (ultimate instar exuviae of holotype): a) abdomen (dorsal view); b) same (left lateral view); c) tip of abdomen with caudal pyramid (ventral view); d) same (dorsal view); e) caudal pyramid showing cerci, large divergent apical spines of epiproct, and long paraproct; f) left wing cases; g) left prothoracic apophyses (dorsal view); h-j) left hind-, middle and fore leg, respectively.
FIGURE 6 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 6. Gynacantha dryadula sp. nov. from Brazil, larva (ultimate instar exuviae of holotype): a) head pattern (dorsal view); b) antenna; c) maxilla; d) mandibles (R = right mandible, L = left mandible); e) prementum (dorsal view); f) right anterior portion of prementum with labial palp (dorsal view).
FIGURE 4 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 4. Gynacantha dryadula sp. nov., female paratype from the upper Mavaca river, Venezuela: a) base of left Hw; b) sternum of S1 (ventral view); c) S2 (left lateral view); d) S3 (ventral view); e) S8–10 with ovipositor and ventral process of S10; f) fork of ventral process of S10 (posterior view).
FIGURE 3 in Two new dragonfly species (Odonata: Anisoptera: Aeshnidae) from north-eastern India
FIGURE 3. Planaeschna poumai sp. nov.; (a) dorsal habitus of holotype male (NCBS-AV557), (b) dorsal habitus of allotype female (NCBS-AV568), (c) lateral habitus of allotype female (NCBS-AV568), (d) lateral habitus of holotype male (NCBS- AV557), (e) face of holotype male (NCBS-AV557, image credit: J. Veino & L. Veino), and (f) lateral habitus of holotype male (NCBS-AV557, image credit: J. Veino & L. Veino).
FIGURE 2 in Two new dragonfly species (Odonata: Anisoptera: Aeshnidae) from north-eastern India
FIGURE 2. Comparison of heads of C. acanthifrons sp. nov.: a: dorsal, b: frontal, and C. acutifrons (Martin, 1909) [from Asahina 1981]: c: dorsal, d: frontal.
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