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Figs 45–52 in Immature stages and biology of the enigmatic oxyporine rove beetles, with new data on Oxyporus larvae from the Russian Far East (Coleoptera: Staphylinidae)

Figs 45–52. Third instar larva of Oxyporus (P.) melanocephalus Kirschenblatt, 1938, head morphology. 45 – head, dorsal view; 46 – head, ventral view; 47 – antenna, dorsal view; 48 – mandible, dorsal view; 49 – maxilla, dorsal view; 50 – labium, dorsal view; 51 – labium, lateral view; 52 – maxilla, ventral view.

Figs 39–44 in Immature stages and biology of the enigmatic oxyporine rove beetles, with new data on Oxyporus larvae from the Russian Far East (Coleoptera: Staphylinidae)

Figs 39–44. Scanning electron micrographs of larva of Oxyporus procerus Kraatz, 1879. 39 – campaniform sensilla and setae of nasale; 40 – posterior epicranial group of sensilla; 41 – antennomeres II and III, apical sensorial complex; 42 – premental group of sensilla; 43 – campaniform sensillum, segment II of maxillary palpus; 44 – thoracic tergite I, lateral view.

Figs 63–66 in Immature stages and biology of the enigmatic oxyporine rove beetles, with new data on Oxyporus larvae from the Russian Far East (Coleoptera: Staphylinidae)

Figs 63–66. Habitat and rearing of Far East Oxyporus species. 63 – aspen-maple forest with lime-trees in a lowland of the Arboretum of the Gornotaezhnaya Station, locality of Oxyporus (P.) melanocephalus. 64 – oak forest on a hill of the Arboretum of the Gornotaezhnaya Station, locality of Oxyporus maxillosus. 65 – rearing box with the sand layer, the leaf litter and a fruit body of Laetiporus sulphureus. 66 – an egg of Oxyporus (Pseudoxyporus) melanocephalus Kirschenblatt, 1938 nested between the gills of Pholiota sp.

Figs 35–36 in Immature stages and biology of the enigmatic oxyporine rove beetles, with new data on Oxyporus larvae from the Russian Far East (Coleoptera: Staphylinidae)

Figs 35–36. Third instar larva of Oxyporus procerus Kraatz, 1879, selected body tergites. 35 – thoracic tergites I–III; 36 – abdominal tergite I.

Figs 19–27 in Immature stages and biology of the enigmatic oxyporine rove beetles, with new data on Oxyporus larvae from the Russian Far East (Coleoptera: Staphylinidae)

Figs 19–27. Scanning electron micrographs of larva of Oxyporus maxillosus Fabricius, 1775. 19 – cervical intersegmental membrane with microsetae M2, M3; 20 – M1 microseta, magnified; 21 – M3 microseta, magnified; 22 – posterior epicranial group of sensilla; 23 – posterior epicranial campaniform sensillum; 24 – ventral sensilla, head capsule; 25, 26 – campaniform sensilla missing between mesonotal setae; 27 – epipharynx with median furrow, hypopharynx with microtrichia.

Figs 15–18 in Immature stages and biology of the enigmatic oxyporine rove beetles, with new data on Oxyporus larvae from the Russian Far East (Coleoptera: Staphylinidae)

Figs 15–18. Third instar larva of Oxyporus maxillosus Fabricius, 1775, selected body tergites. 15 – thoracic tergites I–III; 16 – abdominal tergite I; 17 – apex of abdomen, dorsal view; 18 – mesothoracic leg, posterior view.

Figs 5-11 in The coastal rove beetles (Coleoptera, Staphylinidae) of Atlantic Canada: a survey and new records

Figs 5-11. Genital structures of Acrotona avia: 5-8 male: Fig. 5, median lobe of aedeagus in dorsal view, and Fig. 6 in lateral view; Fig. 7, tergite VIII, and Fig. 8 sternite VIII; figures 9-11 female: Fig. 9, spermatheca; Fig. 10, tergite VIII; Fig. 11, sternite VIII.

Fig. 13 in The coastal rove beetles (Coleoptera, Staphylinidae) of Atlantic Canada: a survey and new records

Fig. 13. The distribution of Atheta vestita, Falagria dissecta, Myrmecopora vaga, Stenus erythropus, and Ochthephilum fracticorne in Atlantic Canada.

Fig. 12 in The coastal rove beetles (Coleoptera, Staphylinidae) of Atlantic Canada: a survey and new records

Fig. 12. The distribution of Micralymma marinum, Aleochara litoralis, Oligota parva, Acrotona avia, and Strigota ambigua in Atlantic Canada.

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Figure 2. Collection sites A-D. Site A in Survey of rove beetles (Coleoptera, Staphylinidae) from Stanley Park, Vancouver, British Columbia, Canada, with new records and description of a new species. Part 2

Figure 2. Collection sites A-D. Site A: Aquarium (2007). Site B: Hollow Tree/Rawlings Trail (2007). Site C: South Creek Trail (2008). Site D: Merilees Trail (2008).

Fig. 14 in The coastal rove beetles (Coleoptera, Staphylinidae) of Atlantic Canada: a survey and new records

Fig. 14. The distribution of Bledius basalis, Bledius mandibularis, Bledius neglectus, Bledius opaculus, and Bledius politus in Atlantic Canada.

Fig. 15 in The coastal rove beetles (Coleoptera, Staphylinidae) of Atlantic Canada: a survey and new records

Fig. 15. The distribution of Gyrohypnus angustatus, Creophilus maxillosus villosus, Cafius bistriatus, and Gabrius astutoides in Atlantic Canada. Note: Two sites from central Labrador (Goose Bay and Cartwright) are not shown on the map.

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Figure 1 in Survey of rove beetles (Coleoptera, Staphylinidae) from Stanley Park, Vancouver, British Columbia, Canada, with new records and description of a new species. Part 2

Figure 1. Map of Stanley Park, Vancouver, British Columbia, showing collecting locations for the 2007 and 2008 insect surveys.

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Figures 3–5. Sonoma squamishorum. Scale line equals 0.1 in Survey of rove beetles (Coleoptera, Staphylinidae) from Stanley Park, Vancouver, British Columbia, Canada, with new records and description of a new species. Part 2

Figures 3–5. Sonoma squamishorum. Scale line equals 0.1 mm: 3 ventral view male genitalia 4 ventral view male sternite 6 5 ventral view female sternites 6–7.

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Fig. 7 in Discovery of termitophilous rove beetles associated with Formosan subterranean termite Coptotermes formosanus in Taiwan, with the first larval description for the tribe Termitohospitini (Coleoptera: Staphylinidae)

Fig. 7. Japanophilus hojoi Maruyama & Iwata, 2002, larval instar 1. A–B – pronotum; C – mesonotum; D – hatching spines of mesonotum; E – metanotum; F – hatching spines of metanotum; G – left foreleg, anterior view. Abbreviations: I–X – abdominal segments; A – anterior setae; Ad – anterodorsal setae; Al – anterolateral setae; Av – anteroventral seta; C – campaniform sensilla; Cx – coxa; D – dorsal setae; Da-d – discal setae, rows a–d; Fe – femur; Hs – hatching spines; L – lateral setae; P – posterior setae; Pd – posterodorsal setae; P1 – posterolateral setae; Pv – posteroventral setae; Tb – tibia; Tr – trochanter; Ts – tarsungulus; V – ventral setae.

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Fig. 5 in Discovery of termitophilous rove beetles associated with Formosan subterranean termite Coptotermes formosanus in Taiwan, with the first larval description for the tribe Termitohospitini (Coleoptera: Staphylinidae)

Fig. 5. Japanophilus hojoi Maruyama & Iwata, 2002, larval instar 1, head. A – dorsal view; B – lateral view; C – ventral view. Abbreviations: Ec – epicranial campaniform sensilla; Ed – epicranial dorsal seta; El – epicranial lateral setae; Em – epicranial marginal setae; Es – epicranial suture; Fd – frontal dorsal setae; Fl – frontal lateral setae; Fm – frontal marginal seta; L – lateral setae; P – posterior (epicranial) setae; T – temporal setae; V – ventral seta; Vc – ventral campaniform sensilla; Vl – ventral lateral setae.

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Data for: Termite nest evolution fostered social parasitism by termitophilous rove beetles

Colonies of social insects contain large amounts of resources often exploited by specialized social parasites. While some termite species host numerous parasitic arthropod species, called termitophiles, others host none. The reason for this large variability remains unknown. Here we report that the evolution of termitophily in rove beetles is linked to termite nesting strategies. We compared one-piece nesters, whose entire colony life is completed within a single wood piece, to foraging species, which exploit multiple physically separated food sources. Our epidemiological model predicts that characteristics related to foraging (e.g., extended colony longevity and frequent interactions with other colonies) increase the probability of parasitism by termitophiles. We tested our prediction using literature data. We found that foraging species are more likely to host termitophilous rove beetles than one-piece nesters: 99.6% of known termitophilous species were associated with foraging termites, while 0.4% were associated with one-piece nesters. Notably, the few one-piece nesting species hosting termitophiles were those having foraging potential and access to soil. Our phylogenetic analyses confirmed that termitophily primarily evolved with foraging termites. These results highlight that the evolution of complex termite societies fostered social parasitism, explaining why some species have more social parasites than others.

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Fig. 3 in New species and records of Quedius rove beetles (Coleoptera, Staphylinidae, Staphylininae) from Middle Asia

Fig. 3. Quedius viator sp. nov., holotype (ZIN). A. Habitus. B–D. Aedeagus. B. From parameral side. C. Apical portion of paramere (underside). D. Lateral view. E. Sternite VIII. F. Tegite X. G. Sternite IX. Scale bars: A = 1 mm; B–G = 0.5 mm..