1,721,049 research outputs found

    Revision of the Metallactus taeniatellus species group (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    Sassi, Davide (2022): Revision of the Metallactus taeniatellus species group (Coleoptera: Chrysomelidae: Cryptocephalinae). Zootaxa 5125 (3): 251-282, DOI: https://doi.org/10.11646/zootaxa.5125.3.

    Revision of the Metallactus hamifer species-group (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    Sassi, Davide (2019): Revision of the Metallactus hamifer species-group (Coleoptera: Chrysomelidae: Cryptocephalinae). Zootaxa 4657 (2): 201-245, DOI: 10.11646/zootaxa.4657.2.

    Revision of the Metallactus generosus species-group with a preliminary evaluation of the effectiveness of the endophallus morphology in distinguishing critical sibling species (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    Sassi, Davide (2020): Revision of the Metallactus generosus species-group with a preliminary evaluation of the effectiveness of the endophallus morphology in distinguishing critical sibling species (Coleoptera: Chrysomelidae: Cryptocephalinae). Zootaxa 4877 (1): 148-162, DOI: 10.11646/zootaxa.4877.1.

    Five new species of the genus Griburius Haldeman from Central America (Coleoptera: Chrysomelidae, Cryptocephalinae)

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    Sassi, Davide (2023): Five new species of the genus Griburius Haldeman from Central America (Coleoptera: Chrysomelidae, Cryptocephalinae). Fragmenta entomologica (Deerfield Beach, Fla.) 55 (1): 117-138, DOI: 10.13133/2284-4880/1465, URL: http://dx.doi.org/10.1111/aej.1277

    FIGURES 19–20. Distribution maps for the Metallactus taeniatellus species group. M in Revision of the Metallactus taeniatellus species group (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    FIGURES 19–20. Distribution maps for the Metallactus taeniatellus species group. M. geiseri (19); M. uncinatus (20).Published as part of Sassi, Davide, 2022, Revision of the Metallactus taeniatellus species group (Coleoptera: Chrysomelidae: Cryptocephalinae), pp. 251-282 in Zootaxa 5125 (3) on page 279, DOI: 10.11646/zootaxa.5125.3.1, http://zenodo.org/record/644376

    FIGURES 29–36. Distribution maps for Metallactus kollari species-group. M in Revision of the Metallactus kollari species-group with a new diagnosis of the genus (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    FIGURES 29–36. Distribution maps for Metallactus kollari species-group. M. languidus (29); M. londonpridei (30); M. longicornis (31); M. patagonicus (32); M. pollens (33); M. regalini (34); M. rileyi (35); M. spilotus (36). Grey squares: localities reported in a generic way.Published as part of Sassi, Davide, 2018, Revision of the Metallactus kollari species-group with a new diagnosis of the genus (Coleoptera: Chrysomelidae: Cryptocephalinae), pp. 57-110 in Zootaxa 4413 (1) on page 108, DOI: 10.11646/zootaxa.4413.1.2, http://zenodo.org/record/306663

    FIGURE 3. G. biverrucatus. a–b in Revision of the Griburius scutellaris (Fabricius, 1801) species group (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    FIGURE 3. G. biverrucatus. a–b: habitus, dorsal and lateral view (LT); c: frontal view, female (PLT); d: frontal view, male (LT); e–f: colour variations (e: PLT female; f: male, Oaxaca, Mexico); g–k: median lobe of aedeagus in ventral (g), dorsal (h) and lateral (k) view [0.5 mm]; m: antenna [1.0 mm]; n: spermatheca [0.3 mm]. hd: setose depressions. Square brackets: length of scale segment.Published as part of Sassi, Davide, 2023, Revision of the Griburius scutellaris (Fabricius, 1801) species group (Coleoptera: Chrysomelidae: Cryptocephalinae), pp. 501-548 in Zootaxa 5315 (6) on page 515, DOI: 10.11646/zootaxa.5315.6.1, http://zenodo.org/record/814250

    FIGURES 5–7. Distribution maps for Metallactus generosus species-group. M. generosus Suffrian, 1866 in Revision of the Metallactus generosus species-group with a preliminary evaluation of the effectiveness of the endophallus morphology in distinguishing critical sibling species (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    FIGURES 5–7. Distribution maps for Metallactus generosus species-group. M. generosus Suffrian, 1866 (5); M. argentinensis Jacoby, 1907 (6); M. nigroplagiatus new species (7). Grey square: hypothetical location for specimen labelled from 'Brazil'.Published as part of Sassi, Davide, 2020, Revision of the Metallactus generosus species-group with a preliminary evaluation of the effectiveness of the endophallus morphology in distinguishing critical sibling species (Coleoptera: Chrysomelidae: Cryptocephalinae), pp. 148-162 in Zootaxa 4877 (1) on page 158, DOI: 10.11646/zootaxa.4877.1.6, http://zenodo.org/record/442397

    FIGURE 3. M in Revision of the Metallactus generosus species-group with a preliminary evaluation of the effectiveness of the endophallus morphology in distinguishing critical sibling species (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    FIGURE 3. M. nigroplagiatus new species: a–b: habitus (lectotype, from type locality); c–e: median lobe of aedeagus in ventral (c), dorsal (d) and lateral (e) view [0.7 mm]; f: sclerites of endophallus in lateral view [0.5 mm]; g: spermatheca [0.4 mm]; h: antenna [1.6 mm]. scI–IV: sclerites I–IV of endophallus; ds: dorsal spicule. Square brackets: length of scale segment.Published as part of Sassi, Davide, 2020, Revision of the Metallactus generosus species-group with a preliminary evaluation of the effectiveness of the endophallus morphology in distinguishing critical sibling species (Coleoptera: Chrysomelidae: Cryptocephalinae), pp. 148-162 in Zootaxa 4877 (1) on page 153, DOI: 10.11646/zootaxa.4877.1.6, http://zenodo.org/record/442397

    FIGURES 20–28. Distribution maps for Metallactus kollari species-group. M in Revision of the Metallactus kollari species-group with a new diagnosis of the genus (Coleoptera: Chrysomelidae: Cryptocephalinae)

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    FIGURES 20–28. Distribution maps for Metallactus kollari species-group. M. affinis (20); M. albifrons (21); M. albipes (22); M. bellatrix (23); M. bezoar (24); M. corruptus (25); M. dodecastictus (26); M. guarani (27); M. kollari (28). Grey squares: localities reported in a generic way.Published as part of Sassi, Davide, 2018, Revision of the Metallactus kollari species-group with a new diagnosis of the genus (Coleoptera: Chrysomelidae: Cryptocephalinae), pp. 57-110 in Zootaxa 4413 (1) on page 107, DOI: 10.11646/zootaxa.4413.1.2, http://zenodo.org/record/306663
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