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257 results for “Membracidae”
Figs 1-6 in A new genus, Smilirhexia, of Smiliini (Hemiptera, Membracidae) from Costa Rica
Figs 1-6. Smilirhexia naranja, sp. n. 1-3, Lateral, dorsal, and anterior views of head, pronotum, wings, and legs (forewing anterior apices presumably rolled inward as a preservative side-effect). 4, Lateral view, cleared terminalia before dissection. 5-6. Aedeagus in lateral and anterior views, respectively. aed, aedeagus; lp, unarmed lateral plate.
Maternal effects on the advertisement signals and mate preferences of adult offspring in Enchenopa treehoppers (Hemiptera: Membracidae)
<p>We tested for maternal effects on the mating signals and mate preferences of adult offspring in a plant-feeding insect that communicates via plant-borne vibrational signals. We experimentally manipulated an aspect of the social environment experienced by egg-laying mothers: aggregation density. We detected a strong maternal effect in a male signal trait, with sons of mothers that experienced low aggregation density signaling more. We also detected a weak maternal effect on female mate preferences, with daughters of mothers that experienced low aggregation density being less selective. We discuss the evolutionary consequences of these maternal effects in terms of the signal-preference relationship; the maintenance of variation under selection; whether they may be beneficial for offspring; and potential mechanisms that may be involved in their expression.</p>
Fig. 5. Machaerotypus nodulus Li in Two new species of the treehopper genus Machaerotypus Uhler, 1896 from China (Hemiptera: Membracidae: Centrotinae)
Fig. 5. Machaerotypus nodulus Li & Chen sp. nov., holotype, ♂ (IEGU). A–C. Habitus in frontal, lateral and dorsal view. D. Forewing. E. Hind wing. Scale bars: A–C = 1 mm; D–E = 0.5 mm.
Fig. 4. Machaerotypus stigmosus Li in Two new species of the treehopper genus Machaerotypus Uhler, 1896 from China (Hemiptera: Membracidae: Centrotinae)
Fig. 4. Machaerotypus stigmosus Li & Chen sp. nov., paratype, ♀ (IEGU). A–B. Genitalia in lateral and ventral view. C. Sternite VII, ventral view. D. First valvulae, lateral view. E. Second valvulae, lateral view. F. Third valvulae (gonoplac), lateral view. Scale bars = 0.2 mm.
Fig. 3. Machaerotypus stigmosus Li in Two new species of the treehopper genus Machaerotypus Uhler, 1896 from China (Hemiptera: Membracidae: Centrotinae)
Fig. 3. Machaerotypus stigmosus Li & Chen sp. nov., paratype, ♂ (IEGU). A, C, D. Genitalia in lateral, posterior and ventral view. B, E. Aedeagus, posterior and lateral view. F. Style, dorsal view. G. Lateral plate. Scale bars = 0.2 mm.
Fig. 2. Machaerotypus stigmosus Li in Two new species of the treehopper genus Machaerotypus Uhler, 1896 from China (Hemiptera: Membracidae: Centrotinae)
Fig. 2. Machaerotypus stigmosus Li & Chen sp. nov. A. Paratype, ♂ (IEGU), forewing. B. Paratype, ♀ (IEGU), forewing. C. Paratype, ♀ (IEGU), hind wing. Scale bars: A–C = 0.5 mm. a–e = white parts.
Fig. 1. Machaerotypus stigmosus Li in Two new species of the treehopper genus Machaerotypus Uhler, 1896 from China (Hemiptera: Membracidae: Centrotinae)
Fig. 1. Machaerotypus stigmosus Li & Chen sp. nov. A, C, E. Paratype, ♀ (IEGU), habitus in dorsal, frontal and lateral view. B, D, F. Paratype, ♂ (IEGU), habitus in dorsal, frontal and lateral view. Scale bars = 1 mm.
Fig. 7 in Two new species of the treehopper genus Machaerotypus Uhler, 1896 from China (Hemiptera: Membracidae: Centrotinae)
Fig. 7. Geographic distribution of species of Machaerotypus Uhler, 1896: 1. M. arisanus (Kato, 1928). 2. M. camelliae Chou & Yuan, 1981. 3. M. ishiharai Kato, 1940. 4. M. mali Chou & Yuan, 1981. 5. M. rubronigris Funkhouser, 1938. 6. M. rubromarginatus Kato, 1940. 7. M. semirubronigris Yuan & Chou, 1992. 8. M. sibiricus (Lethierry, 1876). 9. M. subinermis Lindberg, 1927. 10. M. taibaiensis Yuan, 2002. 11. M. yananensis Chou & Yuan, 1981. 12. M. stigmosus Li & Chen sp. nov. 13. M. nodulus Li & Chen sp. nov.
Figure 4 in First reports of species-specific ant resemblance in heteronotine treehoppers (Hemiptera: Membracidae: Heteronotinae)
Figure 4. Comparison of morphological measurements of Cephalotes atratus (Linnaeus, 1758), workers (circles, n = 10) and females of Heteronotus fabulosus Boulard, 1981 (cross-marks, n = 2); L = length between apex of pronotal spine (CS in membracids) and apex of abdomen (NT in membracids) as indicated by "L" in Fig. 3C; blue = relationship between "L" and width between apices of pronotal spines (CS in membracids); orange = relationship between "L" and width abdomen (width NT in membracids); grey = relationship between "L" and pronotal width in ant (as indicated in Fig. 3B) or width of black pronotal area in membracids (as indicated by "3" in Fig. 3D); green = relationship between "L" and actual pronotal width of membracids (as indicated by "4" in Fig. 3D).
Figure 2. Heteronotus fabulosus Boulard, 1981. Both photographs taken during the dry season, 5 Sep 2021. A in First reports of species-specific ant resemblance in heteronotine treehoppers (Hemiptera: Membracidae: Heteronotinae)
Figure 2. Heteronotus fabulosus Boulard, 1981. Both photographs taken during the dry season, 5 Sep 2021. A) Habitat at edge of a Chiquitano forest fragment, sampled branches of host tree Swartzia jorori tree (Fabaceae) indicated by white arrow. B) Putative nymph of H. fabulosus, tended by worker of Cephalotes atratus (Linnaeus, 1758).
Figure 3. Comparison between potential ant model and membracid mimic. Both specimens have the same body length. A–B in First reports of species-specific ant resemblance in heteronotine treehoppers (Hemiptera: Membracidae: Heteronotinae)
Figure 3. Comparison between potential ant model and membracid mimic. Both specimens have the same body length. A–B) Cephalotes atratus (Linnaeus, 1758), worker. A) Habitus, dorsal. B) Head and anterior part of mesothorax, dorsal. C–D) Heteronotus fabulosus Boulard, 1981. C) Habitus, dorsal. CS = Cornus suprahumeralis; L = length between apex of CS and apex of NT; NPS = Spina nodus primus; NT = Nodus terminalis; PS = Spina pedunculus. D) Anterior part of pronotum; head, wings and legs omitted. E) Cephalotes atratus worker habitus, lateral. F) Heteronotus fabulosus habitus, lateral. Numbered structures in the figures reference the numbering system used for morphological comparisons in Figure 4.
Figure 1. Study area. A in First reports of species-specific ant resemblance in heteronotine treehoppers (Hemiptera: Membracidae: Heteronotinae)
Figure 1. Study area. A) Bolivia. B) Sub-Andean area at the Bolivian orocline; 1, Santa Cruz de la Colina, Urubo, Santa Cruz department; map produced with QGIS (version 2.14.3, http://www.qgis.org/en/site), ecoregions according to the regionalization by Navarro and Ferreira (2011).
Figures 8-15 in Description of the last nymphal instar of Talipes appendiculatus (Hemiptera: Membracidae: Membracinae), and notes on the biology of the immatures and adults
Figures 8-15. Talipes appendiculatus, associated insects and host plant. Nymphs: 8-9, 5th instar in lateral and dorsal view; 10, details of the abdominal terga I-IV, showing the finger-like projections on tergum I; 11, nymphs in different stages, one of them in process of ecdysis; 11a, emergence of an adult (female). Hymenoptera: 12-13, bee Oxytrigona tataira (Smith) (Apidae-Meliponini) and wasps (Vespidae) collecting honey dew. Posture: 14, female on the egg mass. Host plant: 15, flowered branch of Cassia fistula L. (Leguminosae, Caesalpinioidea). Scale bars: 1.0 mm.
Figures 16-25 in Two new species of Sundarion (Hemiptera: Membracidae: Darninae) and taxonomic notes on two congeneric taxa
Figures 16-25. Habitus and male genitalia. (16-18) Sundarion flavum: (16-17) female; (18) male; (19-20) S. flavopiceum sp. nov.; (21-22) S. marmoratum sp. nov.; (23) S. notabile; (24) S. compressicornis comb. nov.; (25) S. flavum. Scale bar = 5 mm.
Figures 1-8 in Two new species of Sundarion (Hemiptera: Membracidae: Darninae) and taxonomic notes on two congeneric taxa
Figures 1-8. Habitus. (1-4) Sundarion flavopiceum sp. nov.: (1-3) female, holotype; (4) male; (5-8) S. marmoratum sp. nov.: (5-7) female, holotype; (8) male. Scale bar = 5 mm.
Fig. 2 in First record of Membracis juncta (Walker) (Hemiptera: Membracidae) in Tibouchina candolleana (Mart. ex DC.) (Melastomataceae)
Fig. 2. Membracis juncta (Walker) (Hemiptera: Membracidae): (A) adult; (B) nymph; (C) egg; (D) waxy covering on the eggs.
Fig. 1 in First record of Membracis juncta (Walker) (Hemiptera: Membracidae) in Tibouchina candolleana (Mart. ex DC.) (Melastomataceae)
Fig. 1. (A) Tibouchina candolleana (DC.) (Melastomataceae) infested by Membracis juncta (Walker) (Hemiptera: Membracidae), Diamantina, Minas Gerais, Brazil, 2015; (B) Association of M. juncta with Trigona spinipes (F.) (Hymenoptera: Apidae); (C) Nymphs and adult M. juncta on young parts of the plant; (D) Supputius cincticeps (Stål) (Hemiptera: Pentatomidae) attacking M. juncta.
Linked collectors and determiners for: Do Nymphs Of The Treehopper Stictolobus Minutus (Funkhouser) (Hemiptera: Membracidae) Specialize On Grasses?.
Natural history specimen data linked to collectors and determiners held within, "Do Nymphs Of The Treehopper Stictolobus Minutus (Funkhouser) (Hemiptera: Membracidae) Specialize On Grasses?". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c8756f54-d5c7-41b7-b912-d860d34854cf">https://bionomia.net/dataset/c8756f54-d5c7-41b7-b912-d860d34854cf</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c8756f54-d5c7-41b7-b912-d860d34854cf">https://gbif.org/dataset/c8756f54-d5c7-41b7-b912-d860d34854cf</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Problematode: an enigmatic new genus of Membracidae (Hemiptera) with two new species from Venezuela.
Natural history specimen data linked to collectors and determiners held within, "Problematode: an enigmatic new genus of Membracidae (Hemiptera) with two new species from Venezuela". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/e6f2f35a-6ccf-44c1-aa29-3e7abd613cdf">https://bionomia.net/dataset/e6f2f35a-6ccf-44c1-aa29-3e7abd613cdf</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/e6f2f35a-6ccf-44c1-aa29-3e7abd613cdf">https://gbif.org/dataset/e6f2f35a-6ccf-44c1-aa29-3e7abd613cdf</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: A new species of Cornutalis Sakakibara (Membracidae: Smiliinae: Acutalini) from Colombia.
Natural history specimen data linked to collectors and determiners held within, "A new species of Cornutalis Sakakibara (Membracidae: Smiliinae: Acutalini) from Colombia". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/6c2fc877-37de-434f-a818-e84fd805003a">https://bionomia.net/dataset/6c2fc877-37de-434f-a818-e84fd805003a</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/6c2fc877-37de-434f-a818-e84fd805003a">https://gbif.org/dataset/6c2fc877-37de-434f-a818-e84fd805003a</a>. Formatted as a Frictionless Data package.
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