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55 results for “Megasternini”
Fig. 6 in A new species of the genus Cyrtonion (Coleoptera: Hydrophilidae: Megasternini) from the Democratic Republic of the Congo
Fig. 6. Known distribution of the species of the genus Cyrtonion Hansen, 1989. Green area covers distribution of evergreen rain forest.
Figs. 1-4 in A new species of the genus Cyrtonion (Coleoptera: Hydrophilidae: Megasternini) from the Democratic Republic of the Congo
Figs. 1-4. Aedeagophores of Cyrtonion Hansen, 1989 species. 1-2 – C. moto sp. nov., holotype; 3 – C. ghanense Hansen, 1989, paratype; 4 – C. sculpticolle (Régimbart, 1907), paratype. 1 – aedeagus; 2-4 – apical portion of the median lobe.
Figs. 1-7 in A new aberrant species of the genus Pacrillum from Nepal (Hydrophilidae: Sphaeridiinae: Megasternini)
Figs. 1-7. Pacrillum cycrilloideum sp. nov. 1-2 – habitus of paratype. 1– dorsal view; 2 – lateral view (the arrow shows a fine line of elytral series). 3-5 – male genitalia of holotype. 3 – tegmen; 4 – median lobe; 5 – sternite 9. 6 – microsculpture of pronotal interstices. 7 – ventral surface of paratype (from above: median part of prosternum, preepisternal elevation of mesothorax, and metaventrite).
Fig. 5. Cyrtonion ghanense Hansen, 1989 in A new species of the genus Cyrtonion (Coleoptera: Hydrophilidae: Megasternini) from the Democratic Republic of the Congo
Fig. 5. Cyrtonion ghanense Hansen, 1989, Ghana (Bobiri Forest Reserve), dorsal habitus (2.0 mm).
FIGURE 57 in A revision of the Neotropical genus Sacosternum Hansen (Hydrophilidae: Sphaeridiinae: Megasternini)
FIGURE 57. Strict consensus tree of the 22 most parsimonous trees resulted from the phylogenetic analysis of the Sacosternum species.
FIGURES 50–55 in A revision of the Neotropical genus Sacosternum Hansen (Hydrophilidae: Sphaeridiinae: Megasternini)
FIGURES 50–55. Meso- and metaventrite. 50: S. auribleps; 51: S. emissarium; 52: S. lebbinorum; 53: Sacosternum sp. B; 54: S. delta; 55: S. inconnivum.
FIGURES 23–26. Aedeagophores. 23–25 in A revision of the Neotropical genus Sacosternum Hansen (Hydrophilidae: Sphaeridiinae: Megasternini)
FIGURES 23–26. Aedeagophores. 23–25: S. lebbinorum, holotype; 26: S. cf. lebbinorum from Brazil, Rondonia, SW of Ariquemes. 23: whole aedeagus, dorsal view; 24, 26: detail of the apical portion of the median lobe; 25: detail of apical sclerite after clearing of the aedeagus in KOH.
FIGURES 26–27 in A new species of Cycreon d'Orchymont, 1919 from Singapore (Coleoptera: Hydrophilidae: Megasternini)
FIGURES 26–27. Holotype labels: 26: Cycreon sculpturatus Orchymont, 1919, holotype, 27: Cycreon armandi Shatrovskiy, sp. nov., holotype.
FIGURES 13–21 in A new species of Cycreon d'Orchymont, 1919 from Singapore (Coleoptera: Hydrophilidae: Megasternini)
FIGURES 13–21. Cycreon armandi Shatrovskiy, sp. nov., holotype: 13–14: head (13: in dorsal view, 14: in ventral view), 15: clypeus in lateral view, 16: pronotum, 17: microsculpture of pronotum, 18–19: mesotibia (18: in view from above, 19: in view from below), 20–21: metatibia (20: in view from above, 21: in view from below).
FIGURES 1–4 in A new species of Cycreon d'Orchymont, 1919 from Singapore (Coleoptera: Hydrophilidae: Megasternini)
FIGURES 1–4. Habitus: 1–2: Cycreon sculpturatus Orchymont, 1919, holotype (1: dorsal view, 2: ventral view), 3–4: Cycreon armandi Shatrovskiy, sp. nov., holotype (3: dorsal view, 4: ventral view).
FIGURES 22–25 in A new species of Cycreon d'Orchymont, 1919 from Singapore (Coleoptera: Hydrophilidae: Megasternini)
FIGURES 22–25. Genitalia of Cycreon spp: 22–24: male C. armandi Shatrovskiy, sp. nov., holotype (22: sternite 9, 23: parameres, 24: aedeagus), 25: female C. sculpturatus Orchymont, 1919, holotype.
FIGURES 5–12. Cycreon sculpturatus Orchymont, 1919 in A new species of Cycreon d'Orchymont, 1919 from Singapore (Coleoptera: Hydrophilidae: Megasternini)
FIGURES 5–12. Cycreon sculpturatus Orchymont, 1919, holotype: 5: clypeus in lateral view, 6: pronotum, 7: prosternum with indistinct antennal grooves, 8: microsculpture of pronotum, 9: clypeus, 10: protibia, 11–12: metatibia (11—in view from below, 12— in view from above).
Fig. 7. Armostus ohyamatensis, third instar. A in Larval Morphology of Armostus ohyamatensis Hoshina and Satô (Coleoptera: Hydrophilidae: Megasternini)
Fig. 7. Armostus ohyamatensis, third instar. A) Left maxilla, dorsal surface, B) Left maxilla, ventral surface, C) Right maxilla, dorsal surface, D) Right maxilla, ventral surface. All drawn from dorsal view. gAPP = group of sensilla on inner appendage of maxilla; gMX2 = group of sensilla on inner face of stipes.
Fig. 4 in Larval Morphology of Armostus ohyamatensis Hoshina and Satô (Coleoptera: Hydrophilidae: Megasternini)
Fig. 4. Larvae of Armostus ohyamatensis. A) Third instar YNME#16-15 (broken parts modified), head, dorsal view, B) Third instar, thorax, dorsal view, C) Third instar, prosternal sclerite, ventral view, D) First instar YNME#16- 16, anterior leg, ventral view, E) Third instar, anterior leg, ventral view, F) Third instar YNME#16-1, spiracular atrium, dorsal view. l = lateral lobe of spiracular atrium; m = median lobe of spiracular atrium; p = procercus; sp = spiracle; t = trachea. Fine surface structures are omitted.
Fig. 2 in Larval Morphology of Armostus ohyamatensis Hoshina and Satô (Coleoptera: Hydrophilidae: Megasternini)
Fig. 2. Armostus ohyamatensis, first instar YNME#16-16, head capsule. A) Dorsal view, B) Arrangement of sensilla PA1–7 on left side, C) Ventral view, D) Anterior margin, dorsal view. gFR = group of sensilla on frontale; FR = frontale; LA = labium; PA = parietale. Fine surface structures are omitted.
Fig. 1 in Larval Morphology of Armostus ohyamatensis Hoshina and Satô (Coleoptera: Hydrophilidae: Megasternini)
Fig. 1. Larvae and collecting localities of Armostus ohyamatensis. A) Third instar habitus, ventral and dorsal views, B) Third instar, posteromesal surface of head capsule, dorsal view (FR1 = frontale setae, FR2 = frontale pores, PA7 and PA8 = parietale setae), C) Third instar, posterolateral surface of head capsule, dorsal view D) Third instar, anteromesal surface of prothorax, dorsal view E) Third instar, dorsal plate of spiracular atrium (t = trachea), F) First instar, dorsal plate of spiracular atrium, G) Collecting locality Loc.#2016-8, H) Collecting locality Loc.#2016-11 (same as Loc.#2017-23). A–E = larva YNME#16-1; F = larva YNME#16-16.
Fig. 6 in Larval Morphology of Armostus ohyamatensis Hoshina and Satô (Coleoptera: Hydrophilidae: Megasternini)
Fig. 6. Armostus ohyamatensis, third instar YNME#16-1, head appendages. A) Antenna, dorsal view, B–C) Mandibles, dorsal view, D) Inner margin of right mandible, dorsal view, different direction from C. AN = antenna; gAN = group of the apical antennal sensilla; MN = mandible; SE = sensorium.
Fig. 3 in Larval Morphology of Armostus ohyamatensis Hoshina and Satô (Coleoptera: Hydrophilidae: Megasternini)
Fig. 3. Armostus ohyamatensis, first instar YNME#16-16, head appendages. A) Antenna, dorsal view, B–C) Mandibles, dorsal view, D) Left stipes, dorsal view, E–F) Right stipes, dorsal (E) and ventral (F) views, G–H) Labium, dorsal (G) and ventral (H) views. AN = antenna; gAN = group of the apical antennal sensilla; gAPP = group of sensilla on inner appendage of maxilla; gLA = group of the apical sensilla on labial palpus; gMX2 = group of sensilla on inner face of stipes; LA = labium; MN = mandible; MX = maxilla; SE = sensorium.
Fig. 5 in Larval Morphology of Armostus ohyamatensis Hoshina and Satô (Coleoptera: Hydrophilidae: Megasternini)
Fig. 5. Armostus ohyamatensis, third instar YNME#16-1, head capsule. A) Dorsal view, B) Ventral view, C) Anterior margin, dorsal view. gFR = group of sensilla on frontale; FR = frontale; LA = labium; PA = parietale. Fine surface structures are omitted.
FIGURES 1–5. 1–3 in On the identity of Anchorosternum sinense (Coleoptera: Hydrophilidae: Megasternini)
FIGURES 1–5. 1–3: Anchorosternum sinense Jia, Wu & Pu, 2001, neotype (1: dorsal view, 2: ventral view, 3: locality label). 4: genitalia drawing from the original description of Anchorosternum sinense. 5: genitalia of Paroosternum saundersi (specimen from Sumatra).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.