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FIGURES 31–37 in Chimaerocyon gen. nov., a morphologically aberrant myrmecophilous genus of water scavenger beetle (Coleoptera: Hydrophilidae: Sphaeridiinae)

FIGURES 31–37. Phylogenetic position of Chimaerocyon. 31—Bayesian tree based on four genes concatenated (branches with posterior probability values). 32—mapping of relevant tribal-level characters on the tree (full circle = gain, crossed circle = loss). 33–37—diagnostic tribal-level characters illustrated on selected representatives of the Sphaeridiinae. Abbreviations (numbers refer to characters in Fig. 32): angr—antennal groove, comcl—compact antennal club, curt—curved metatibia, elpr—elevated median portion of prosternum, excly—excised lateral portion of clypeus (exposed antennal bases), llob—lateral lobes of clypeus, msuc—male sucker on maxilla, pgr—grooves for reception of procoxae, pros—well-developed prosternum, wepi—wide epipleuron posteriorly.

FIGURES 6–14 in Chimaerocyon gen. nov., a morphologically aberrant myrmecophilous genus of water scavenger beetle (Coleoptera: Hydrophilidae: Sphaeridiinae)

FIGURES 6–14. Morphological details of Chimaerocyon shimadai (6–13) and C. sumatranus (14). 6—ventral view, 7—egg drawn to scale with Fig. 6, 8—aedeagus of the holotype, 9—male sternite 8 of the holotype, 10—male sternite 9, 11—hind wing of the holotype, 12–14—abdominal apex (12—male holotype of C. shimadai, 13—female paratype of C. shimadai, 14— female holotype of C. sumatranus). Abbreviations (numbers refer to characters in Fig. 32): msuc—male suckers on maxilla, elpr—elevated median portion of prosternum, wepi—wide epipleuron posteriorly, shtars—shortened tarsus, abdem— abdominal emargination.

FIGURES 23–30 in Chimaerocyon gen. nov., a morphologically aberrant myrmecophilous genus of water scavenger beetle (Coleoptera: Hydrophilidae: Sphaeridiinae)

FIGURES 23–30. Detailed morphology of Chimaerocyon shimadai (23–26, 28–30) and C. sumatranus (27). 23—meso- and metathorax in ventral view, 24—mesoventrite in lateral view, 26—median portions of meso- and metaventrite in ventral view, 26–27—right elytral apex, 28—metatarsus, 29—metatarsal claws, 30—detail of apical portion of elytral series 1–2.

FIGURES 1–5 in Chimaerocyon gen. nov., a morphologically aberrant myrmecophilous genus of water scavenger beetle (Coleoptera: Hydrophilidae: Sphaeridiinae)

FIGURES 1–5. Habitus of Chimaerocyon species. 1–3—male paratype of Chimaerocyon shimadai (1—dorsal view, 2—lateral view, 3—frontal view). 4–5—holotype of C. sumatranus (4—dorsal view, 5—frontal view).

FIGURES 15–22 in Chimaerocyon gen. nov., a morphologically aberrant myrmecophilous genus of water scavenger beetle (Coleoptera: Hydrophilidae: Sphaeridiinae)

FIGURES 15–22. Detailed morphology of Chimaerocyon shimadai (15–21) and C. sumatranus (22). 15—head in dorsal view, 16—head in ventral view, 17—prothorax and head in ventral view, 18—clypeus in lateral view, 19, 22—mentum, 20— profurca, 21—elevated mesal portion of prosternum. Abbreviations (numbers refer to those used in Fig. 32): cly—clypeus, msuc—male sucker on maxilla.

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"Amala River" (= upper course of Mara River), Kenya. Although M. pernanus is grouped in the genus Mastomys based on morphological grounds, molecular data from one speci men grouped it with Hylomyscus. Monotypic. Distribution. Mostly Serengeti Plains on the border between Kenya and Tanzania, with an aberrant specimen from EC Tanzania and an unconfirmed record from Rwanda. in Muridae

"Amala River" (= upper course of Mara River), Kenya. Although M. pernanus is grouped in the genus Mastomys based on morphological grounds, molecular data from one speci men grouped it with Hylomyscus. Monotypic. Distribution. Mostly Serengeti Plains on the border between Kenya and Tanzania, with an aberrant specimen from EC Tanzania and an unconfirmed record from Rwanda.

FIGURE 4 in On some morphologically aberrant, auto-epizootic forms of Plumularia setacea (Linnaeus, 1758) (Cnidaria: Hydrozoa) from southern Chile

FIGURE 4. Results of phylogenetic analyses based on the molecular data set comprising both the epizootic and substrate specimens, and additional material for comparison. lnL= -1698.6. MP bootstrap (MP), ML bootstrap (ML), Bayesian posterior probability (PP) and Bremer values (Br) are indicated above branches. The scale bar indicates the number of nucleotide substitutions per position in the sequence.

FIGURE 1. A in On some morphologically aberrant, auto-epizootic forms of Plumularia setacea (Linnaeus, 1758) (Cnidaria: Hydrozoa) from southern Chile

FIGURE 1. A: General view of a normal colony of Plumularia setacea (cladia partly removed) overgrown by several cormoids of the epizootic form. B: Fragment of cladium from epizoic colony showing a hydranth protruding from its hydrotheca. Inserts: loss of one lateral nematotheca (left) and conservation of both lateral nematothecae (right). Scale bar A – 1 mm (A), 200 µm (B).

FIGURE 3 in On some morphologically aberrant, auto-epizootic forms of Plumularia setacea (Linnaeus, 1758) (Cnidaria: Hydrozoa) from southern Chile

FIGURE 3. Comparison of stems (A) and cladia (B) of the epizootic (left) and normal (right) forms of Plumularia setacea. Scale bar 300 µm (A), 200 µm (B).

FIGURE 2. Plumularia setacea, epizootic form. A in On some morphologically aberrant, auto-epizootic forms of Plumularia setacea (Linnaeus, 1758) (Cnidaria: Hydrozoa) from southern Chile

FIGURE 2. Plumularia setacea, epizootic form. A: Whole cormoid. B: Colony with aberrant ramifications of stem and cladia. C: Cladium in lateral view. D: Cladial segment in lateral view. E: Cladial segment in frontal view. F: Female gonotheca. G: Male gonotheca. H: Lateral nematotheca. I: Nematotheca from stem internode. J: Axillary nematotheca. Scale bar 0.5 mm (A, B), 100 µm (C, D, E, F, G), 20 µm (H, I, J).