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Fig. 25. Cyclogethes Kirejtshuk, 1979 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 25. Cyclogethes Kirejtshuk, 1979: a–h, k, p–v – C. orientalis Kirejtshuk, 1979; i, o – C. abnormis Kirejtshuk, 1979; m – C. fuscipennis Jelínek, 2000; n – C. aldridgei Kirejtshuk, 1980. a – male habitus; b–c – punctation of pronotum and elytra; d – prosternal process, mesoventrite, and metaventrite; e – exposed portion of last visible abdominal ventrite; f – protibia; g – mesotibia; h – antennal club; k, i, m – dorsal view of head; n, o, p – prosternal process; q – labium and left palp; r–s – dorsal view of male genitalia; t – labrum; u – ovipositor; v – lateral view of male genitalia. Drawings a–h, k, q–v from KIREJTSHUK (1979a); drawings i, m–p from JELÍNEK (2000b); refer to KIREJTSHUK (1979a) and to JELÍNEK (2000b) for scale.

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Figs 65 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)

Figs 65í71. Mouthparts of the third instar larva of Lachnodacnum luederwaldti Orchymont, 1937. 65í66 – antenna (65 – dorsal view; 66 – ventral view); 67í68 – maxilla (67 – ventral view, 68 – dorsal view); 69í70 – labium (69 – ventral view, 70 – dorsal view); 71 – right mandible, dorsal view.

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Figs 72 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)

Figs 72í74. Pupa of Lachnodacnum luederwaldti Orchymont, 1937. 72 – dorsal view; 73 – ventral view; 74 – detail of pronotal stylus. Abbreviations: Ms – stylus of pronotal margin; Ds – stylus of pronotal disc; Ab – abdominal segment.

Fig. 7 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 7. Xerogethes Audisio & Cline, gen. nov.: a – X. osellai (Audisio & Jelínek, 2000); b–g – X. rotundicollis (C. N. F. Brisout de Barneville, 1863). a – male habitus (length 2.0 mm); b – dorso-lateral view of head; c – ventral view of head and anterior portion of prosternum; d – prosternal process and mesoventrite; e – exposed portion of last visible abdominal ventrite; f – caudal marginal lines of metacoxal cavities; g – microsetae on middle of posterior margin of pronotum. Scale bars: Figs. b, c, d, e, f = 100 μm; g = 30 μm.

Fig. 8. Idiogethes Kirejtshuk, 1977 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 8. Idiogethes Kirejtshuk, 1977: a–e – I. angustitarsus Kirejtshuk, 1977. a – male habitus (length 2.2 mm); b – dorsal view of head; c – antenna; d – anterior leg; e – mesotibia. Figs. b–e: refer to KIREJTSHUK (1977a) for scale.

Fig. 6. Clypeogethes Scholz, 1932 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 6. Clypeogethes Scholz, 1932 and Xerogethes Audisio & Cline, gen. nov.: a, c – C. chlorocyaneus (Jelínek & Audisio, 1977); b, d–e – C. elongatus (Rosenhauer, 1856); k–n – C. lepidii (Miller, 1851); f–g – X. osellai (Audisio & Jelínek, 2000); h – X. rotundicollis (C. N. F. Brisout de Barneville, 1863). a – male habitus (length 2.5 mm); b, c, h – ovipositors; d–e, f–g – male genitalia; k – exposed portion of last visible abdominal ventrite; m – dorsal view of head; n – ventral view of head and anterior portion of prosternum. Figs. b–h: refer to AUDISIO (1993b) and AUDISIO et al. (2000) for scale. Scale bars: Figs. k, m, n = 100 μm.

Fig. 1. Acanthogethes Reitter, 1871 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 1. Acanthogethes Reitter, 1871: a–h – A. fuscus (Olivier, 1790). a – male habitus (length 3.5 mm); b – ventral view of head and anterior portion of prosternum; c – dorsal view of head; d – scutellum and microsetae on posterior margin of pronotum; e – prosternal process and mesoventrite; f – exposed portion of last visible abdominal ventrite; g – caudal marginal lines of metacoxal cavities; h – middle leg illustrating outer margin of mesotibia. Scale bars: Figs. b, c = 200 μm; Figs. d, e, f, g, h = 100 μm.

Fig. 5 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 5. Neolariopsis Audisio & Cline, gen. nov.: a, c–h – N. cercoides (Reitter, 1872); b – N. thalycroides (Kirejtshuk & Audisio, 1995). a, b – male habitus (a – length 2.1 mm, b – length 2.1 mm); c – dorsal view of head; d – ventral view of head and anterior portion of prosternum; e – middle leg with outer margin of mesotibia; f – prosternal process and mesoventrite; g – exposed portion of last visible abdominal ventrite; h – antenna. Scale bars: Figs. c, d, f = 100 μm; Figs. e, h = 20 μm; Fig. g = 30 μm.

Fig. 2 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 2. Asterogethes Audisio & Cline, gen. nov.: a – A. endroedyi (Kirejtshuk & Audisio, 1995); b–d, f–n – A. arcuatus (Reitter, 1872); e – A. rufiventris (Reitter, 1872). a, b – male habitus (a – length 3.2 mm; b – length 2.4 mm); c – dorso-lateral view of head; d – ventral view of head and anterior portion of prosternum; e – outline of male metafemur (length 0.5 mm); f – caudal marginal lines of metacoxal cavities; g – exposed portion of last visible abdominal ventrite; h – middle leg with illustrating outer margin of mesotibia; k – antenna; m – pronotal setae and microsetae on posterior margin of pronotum; n – prosternal process and mesoventrite. Scale bars: Figs. c, h, m, n = 20μm; Figs. d, f, g = 100 μm.

Fig. 3 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 3. Odontholariopsis Audisio & Cline, gen. nov.: a, g – O. haagii (Reitter, 1872); b–f, h – O. nebulosus (Reitter, 1872). a – male habitus (length 2.6 mm); b – dorsal view of head; c – ventral view of head and anterior portion of prosternum; d – middle leg illustrating outer margin of mesotibia; e – scutellum and microsetae on posterior margin of pronotum; f – prosternal process and mesoventrite; g – outline of male metafemur (length 0.5 mm); h – exposed portion of last visible abdominal ventrite. Scale bars: Figs. b, c, f, h = 100 μm; Fig. d = 30 μm; Fig. e = 20 μm.

Fig. 4. Lariopsis Kirejtshuk, 1989 in Preliminary re-examination of genus-level taxonomy of the pollen beetle subfamily Meligethinae (Coleoptera: Nitidulidae)

Fig. 4. Lariopsis Kirejtshuk, 1989: a – L. vultuosus (Kirejtshuk & Audisio, 1995); b–k – L. variabilis (Reitter, 1872). a – male habitus (length 3.3 mm); b, c – dorso-lateral view of head; d – ventral view of head and anterior portion of prosternum; e – prosternal process and mesoventrite; f – middle leg with outer margin of mesotibia; g – microsetae on middle posterior margin of pronotum; h – exposed portion of last visible abdominal ventrite; k – caudal marginal lines of metacoxal cavities. Scale bars: Figs. b, c, d, e, h, k = 100 μm; Fig. f = 30 μm; Fig. g = 10 μm.

Fig. 17. Meiosis metaphase I in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 17. Meiosis metaphase I from testes of Helophorus (Lihelophorus) species from Qinghai: Zuimatan. a – H. lamicola Zaitzev, 1908; b – H. ser Zaitzev, 1908; c – H. yangae sp. nov.

Fig. 16 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 16. Mitotic chromosomes from mid-gut cells of males of Helophorus (Lihelophorus) species from Qinghai: Zuimatan, arranged as karyotypes. a–b – H. lamicola Zaitzev, 1908 (a – plain (Giemsa stained); b – same nucleus, C-banded). c–d – H. ser Zaitzev, 1908 (c – plain; d – same nucleus, C-banded). e–h – H. yangae sp. nov. (e – plain; f – same nucleus, C-banded; g – plain; h – same nucleus, C-banded). The y chromosome is missing from the preparation shown in c and d and in d the y chromosome from a different C-banded preparation with a similar degree of chromosomal condensation has been inserted.

Fig. 12 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 12. Labroclypeus and epistome of larvae of Lihelophorus and Helophorus s.str. a–b – H. (H.) liguricus Angus, 1970 (a – dorsal view; b – ventral view); c–d – H. (Lihelophorus) yangae sp. nov. (c – dorsal; d – ventral); e–f – H. (Lihelophorus) lamicola Zaitzev, 1908 (e – dorsal; f – ventral).

Fig. 10 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 10. Head capsule of the first instar larva of Helophorus (Lihelophorus) yangae sp. nov. a – ventral view; b – dorsal view; c – lateral view.

Fig. 9 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 9. Association of reared larvae and field-collected adults of Helophorus (Lihelophorus) based on cox1 sequences. a – Bayesian inference of newly obtained and available GenBank sequences; b–c – habitus of reared larvae (b – H. yangae sp. nov.; c – H. lamicola Zaitzev, 1908).

Fig. 6 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 6. Aedeagophores of Helophorus (Lihelophorus) species. a–e – H. (L.) ser Zaitzev, 1908 (a – lectotype, Qinghai: valley of Alag Hu lake; b–c – Xizang: valley SE of Dong La pass; d – Qinghai: Golo, 20 km E of Maduo; e – Qinghai: Zuimatan). f–j – H. (L.) lamicola Zaitzev, 1908 (f – lectotype, Qinghai: Djarin Nor; g–i – Qinghai: Zuimatan; j – paralectotype, Xizang: S of Arka-tagh, 5073 m a.s.l., lgt. S. Hedin). k–o – H. (L.) yangae sp. nov. (k – holotype, Qinghai: Zuimatan; l–m – paratypes, same locality; n – Qinghai: Golo, Yematan; o – Xizang: Gongbujiangda).

Fig. 5 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 5. Details of the head and pronotum of the Helophorus (Lihelophorus) yangae sp. nov. (a – Xizang: 90 km W of Amdo; b,d – Qinghai: Golo; c – Xizang: 25 km W of Amdo; e – India: Kar Tso (Orchymont coll.). Not to scale.

Fig. 2 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 2. Adult morphology of Helophorus (Lihelophorus). a–f – details of left half of pronotum (a,c,e) and base of left elytron (b, d, f): a–b – H. yangae sp. nov.; c–d – H. ser Zaitzev, 1908; e–f – H. lamicola Zaitzev, 1908; arrow in (a) shows remnants of pronotal granulations, arrows in (b, d, f) show scutellary stria. g–h – prothoracic hypomeron and 'suprapleural area' (g – H. yangae sp. nov.; h – H. ser). i – detail of posterior margin of abdominal ventrite 5 of H. ser, showing the irregular denticulation. j – ventral view of the thorax of H. ser. k – dorsolateral portion of left elytron of H. lamicola. Abbreviations: ep – epipleuron; li – last elytral interval. Not to scale.

Fig. 15 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 15. Thorax and abdomen of Lihelophorus and Helophorus s.str. a–d – metathoracic legs (a – H. (H.) liguricus Angus, 1970, frontal view; b–c – H. (Lihelophorus) yangae sp. nov. (b – frontal; c – posterior); d – H. (Lihelophorus) lamicola Zaitzev, 1908). e–f – thorax and first abdominal segments of H. (Lihelophorus) yangae sp. nov. (e – lateral view; f – dorsal view). g–h – abdominal segments (dorsal and ventral views): g – H. (Lihelophorus) yangae sp. nov.; h – H. (Lihelophorus) lamicola Zaitzev, 1908. i–j – abdominal segment 9 and urogomphi: i – H. (H.) liguricus Angus, 1970; j – H. (Lihelophorus) yangae sp. nov. Abbreviations: abd1 – abdominal segment 1; msth – mesothorax; mtth – metathorax; pth – prothorax; sp – spiracle.