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FIGURE 16. Berlesia vorontsovi n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 16. Berlesia vorontsovi n. sp., male, legs dorsally except separated coxae ventrally. A, leg I excluding tarsus; B, tarsus I; C, leg II; D, leg III; E, leg IV excluding pretarsus. All but B to same scale.

FIGURE 13. Berlesia vorontsovi n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 13. Berlesia vorontsovi n. sp., female. A, idiosoma dorsally; B, idiosoma ventrally; C, D, chelicerae: C, dorsal, in working position, D, ventral apex; E, peritreme; F, tritosternum; G, sperm access system; H, gnathotectum; J, subcapitulum and palpus; K–M, palpal segments: K, tarsus dorsal; L, tarsus ventral; M, tibia dorsal. A, B, G to same scale, C–F, H, J to same scale; K–M to same scale.

FIGURE 10. Berlesia multisetosa n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 10. Berlesia multisetosa n. sp., male, legs, coxae detached. A, leg I ventrally, most setae of tarsal subapex, beyond transverse dotted line, omitted; B, leg II ventrally; C, leg III ventrally; D, leg IV ventrolaterally. All to same scale.

FIGURE 1. Berlesia hospitabilis n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 1. Berlesia hospitabilis n. sp., female. A, idiosoma dorsally (green dashed line outlines subcutaneous lateral extension of dorsal shield, red dashed lines outline position and relative size of attached larval female Podapolipus); B, idiosoma ventrally; C, D, chelicerae: C, dorsally, in working position, D, same, ventrally; E, subcapitulum; F, tritosternum; G, H, variability of gnathotectum outline; J, peritreme; K, sperm access system. A–D to same scale, F–J to same scale, E and K to same scale. Abbreviations: id, lyrifissure; inf, infundibulum; gp, glandular pore; mi, internal mala; r, ramus; s, solenostome; sc, spermatheca; ss, salivary stylus; t, tubulus; others denote setae.

FIGURE 4. Berlesia hospitabilis n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 4. Berlesia hospitabilis n. sp., male. A–E, legs dorsally except coxae ventrally: A, leg I, tarsus omitted; B, tarsus I dorsally; C, leg II, variation of femoral seta pd-1 shown; D, leg III; E, leg IV. All but B to same scale.

FIGURE 12. Berlesia multisetosa n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 12. Berlesia multisetosa n. sp., protonymph. A, idiosoma dorsally; B, idiosoma ventrally, partial; C, right chelicerae dorsally, at resting position; D, gnathotectum; E, subcapitulum. A, B to same scale, C–E to same scale.

FIGURE 15. Berlesia vorontsovi n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 15. Berlesia vorontsovi n. sp., male. A, idiosoma dorsally; B, idiosoma ventrally, partial; C, chelicerae and spermatodactyls: left, naturally coiled as extruded, right, linear as withdrawn into idiosoma; D, gnathotectum; E, subcapitulum and partial outline of palpus; F, palp tarsus, separated from G, other palpal segments, both dorsally. A, B to same scale, C, D to same scale, E–G to same scale. Abbreviations, as in Fig. 7.

FIGURE 21. Berlesia hospitabilis n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 21. Berlesia hospitabilis n. sp., details of dorsal idiosoma cuticular organs. Note subcutaneous extension of dorsal shield (green dotted line traces its surface border). A, vertex area near seta j3; B–E, areas near seta denoted; F, male, dorsal idiosoma, green lines trace parts of dorsal shield surface border, red lines trace parts of subcutaneous extension of dorsal shield into soft cuticle (compare with drawing in Fig. 3A). Abbreviations: gp, glandular pore; id, lyrifissure or poroid; p, pore-like structure; sig, muscular sigillum; others denote setae. Scale bars = 25 µm for A–E.

FIGURE 19. Berlesia hospitabilis n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 19. Berlesia hospitabilis n. sp.,details. A–C, gnathosomas ventrally: A, female, asterisks showing lateral borders of cheliceral bases inside; B, male; C, deutonymph (same as in D, J–K) with arrowed pharate female structures inside; D, copula, slightly parted in lactic acid, male artificially shrunk; E, F, deutonymphal ambulacra: E, leg II; F, leg I; G, male ambulacrum of leg I (similar in all legs of adult male, female and of protonymph); H, spermatophore; J, same copula, when first found on host's wing; K, detail of D, area of remaining contact. Arrowheads indicate structures of pharate female (black) and her deutonymphal skin (white). Abbreviations: cxIII, cxIV, leg coxae III and IV; sd, spermatodactyl; sf, spermatophore; st, solenostome.

FIGURE 18. Berlesia hospitabilis n in Review of the genera Berlesia Canestrini, 1884, and Katydiseius Fain & Lukoschus 1983, the subfamily Katydiseiinae Fain & Lukoschus, 1983, and their family group relationships (Acari: Mesostigmata: Gamasina), with description of three new species parasitic on gryllacridid crickets (Orthoptera)

FIGURE 18. Berlesia hospitabilis n. sp. A, male, dorsal habitus, with cheliceral structures extruded; B, female, ventral habitus, with protonymphal structures extruding from ruptured soft cuticle (enlarged in E), note attached larval female Podapolipus on other side; C, D, detail of peritreme, C, female, D, protonymph within female; E, details of unborn protonymphal structures [arrowheads indicate structures of pharate protonymph (black) and its larval skin (white), asterisks indicate movable cheliceral digit of pharate protonymph (black) within larval skin (white)]; F, female, SEM partial dorsal habitus, feeding on cricket host, note cheliceral shafts having cut deeply through host cuticle; G, female deutonymph, dorsal habitus, in copula with male in partial view. Abbreviations: gp, glandular pore; sd, male spermatodactyl inserted in female sperm access system; sf, spermatophore, emitted from adjacent male genital orifice?; TaL, tarsi of larva; TaPN, tarsi of protonymph within larval exuvium; others denote setae.

FIGURE 14 in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 14. Morphometric comparison of Daphnia sakhaliensis sp.nov. (red quadrates) and Daphnia sinevi (blue triangles) males. A, x—rostrum length; y—rostrum length/head height ratio. B, x—rostrum length/head height ratio; y—1st postabdominal teeth/ 5th teeth length ratio.

FIGURE 13 in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 13. Daphnia sakhaliensis sp.nov. (A–C, G–H) and Daphnia sinevi (D–F, I–J). A–F, head. G–J, seta 2 of exopod III. Scale bars denote 0.1 mm.

FIGURE 12 in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 12. Daphnia sakhaliensis sp.nov. from Japanese sewage pond 3 near Sosnovka, Sakhalin Island, Russia, AAK M0871. A–D, male postabdomen. E–G, postabdomenal claw. Scale bars denote 0.1 mm.

FIGURE 7 in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 7. Daphnia sakhaliensis sp.nov. from Japanese sewage pond 3 near Sosnovka, Sakhalin Island, Russia, AAK M-0871. A–F, armature of postero-ventral and posterior margin of valve. G, caudal spine. H, antenna I. I–J, antenna II and proximal portion of its basal segment. K–L, second segment of its exopod and its distal segment. M–O, apical setae of different individuals. Scale bars denote 0.1 mm.

FIGURE 2. Daphnia sinevi s.str., adult male from a in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 2. Daphnia sinevi s.str., adult male from a puddle near reservoir of Luchegorskaya power station, Primorski Territory, Russia, AAK M-651. A, adult male. B–D, its head, lateral view. E, anterior and ventral margin of valves. F, setae at ventral margin. G–I, armature of postero-ventral and posterior margin. J–K, caudal spine. L–M, postabdomen. N–P, armature of postabdominal claw. Scale bars denote 0.1 mm.

FIGURE 11 in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 11. Daphnia sakhaliensis sp.nov., adult male from Japanese sewage pond 3 near Sosnovka, Sakhalin Island, Russia, AAK M-0871. A–B, male antenna I. C, anterior and ventral margin of valves. D, setae at posterior portion of ventral margin. E–G, armature of postero-ventral and posterior margin of valve in male. H, caudal spine. I–J, limb I. K, copulatory hook of IDL. L–M, stiff setae of inner-distal portion of limb II. Scale bars 0.1 mm.

FIGURE 8 in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 8. Daphnia sakhaliensis sp.nov. from Japanese sewage pond 3 near Sosnovka, Sakhalin Island, Russia, AAK M-0871. A, limb I. B, ODL of limb I. C, limb II. D, limb III. E, seta 2 of exopod III. F, inner portion of limb III. G, limb IV. H–I, seta 1 of exopod IV. J, limb V. Scale bars denote 0.1 mm.

FIGURE 3. Daphnia sinevi s in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 3. Daphnia sinevi s.str., adult (A–G) and juvenile (H–K) male from a puddle near reservoir of Luchegorskaya power station, Primorski Territory, Russia, AAK M-651. A–B, adult male, antenna I. C, limb I of adult male and tip of its largest seta. D–E, outer distal lobe of limb I and armature of its distal portion. F–G, stiff setae of inner-distal portion of Limb II. H, juvenile male of second instar, general view. I, its head, lateral view. J, postabdomen. K, distal portion of limb I. Scale bars denote 0.1 mm.

FIGURE 1. Daphnia sinevi s in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 1. Daphnia sinevi s.str., parthenogenetic females from the type locality, a pond about 10 m in diameter in Avangard, AAK M-0061 (A), and a pool near road Avangard-Vostok (B–E), both localities are from Nakhodka Area, Primorski Territory. A–C, adult female. D–E, head. Scale bars denote 0.1 mm.

FIGURE 10 in A new species of the Daphnia sinevi group (Crustacea: Cladocera: Daphniidae) from Sakhalin Island, Russian Far East

FIGURE 10. Daphnia sakhaliensis sp.nov. from Japanese sewage pond 3 near Sosnovka, Sakhalin Island, Russia, AAK M0871. A, ephippial female, lateral view. B, reticulation on central portion of ephippium. C, dorsal portion of ephippium. D, adult male, lateral view. E–K, head, lateral view. Scale bars denote 0.1 mm.