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21 results for “Laelaps”
Figure 2 in First description of the deutonymphal stage of Laelaps mazzai (Mesostigmata: Laelapidae)
Figure 2. Laelaps mazzai (deutonymph) – a. Gnathosoma (chelicerae excluded); b. Chelicera. arp. = artrodial processes, corn. = corniculi, f.d.= fixed digit, hyg.dent. = hypognathal denticles, hyg.gr = hypognathal groove, hyp.1 = anterior hypostomatic setae, hyp.2 = external posterior hypostomatic setae, hyp.3 = internal posterior hypostomatic setae, int.mal. = internal mala, lab. = labrum, m.d. = movable digit, pcx.s. = palpcoxal setae, p.d. = pilus dentilis, tr. = tritosternum.
Figure 1 in First description of the deutonymphal stage of Laelaps mazzai (Mesostigmata: Laelapidae)
Figure 1. Laelaps mazzai (deutonymph) – a. Dorsal view of idiosoma; b. Ventral view of idiosoma. dscI = distal setae of coxae I, mp.sh = metapodal shields, pan. = paranal setae, per. = peritreme, pon. = posterior anal seta, pscI = proximal setae of coxae I, pscII = posterior setae of coxa II, pscIII = posterior setae of coxae III, scIV = setae of coxae IV, st.1 = sternal setae 1, st.2 = sternal setae 2, st.3 = sternal setae 3, st.4 = sternal setae 4, stig. = stigma.
Figure 3 in First description of the deutonymphal stage of Laelaps mazzai (Mesostigmata: Laelapidae)
Figure 3. Laelaps mazzai (deutonymph) – Leg I. FI = femur I, GI = genu I.
FIGURES 16–21 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 16–21. Cosmolaelaps lignicolus (G. & R. Canestrini). 16. Female, epistome, four different specimens; 17. Female, chelicera; 18. Female, gnathosoma (ventral view; labrum not illustrated); 19. Male, epistome; 20. Male, chelicera; 21. Male, corniculi and internal malae (dorsal view; labrum not illustrated). Scale bars: 100 µm for Fig. 17; 50 µm for Figs 16, 18–21.
FIGURES 22–24 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 22–24. Cosmolaelaps lignicolus (G. & R. Canestrini). 22. Female, leg IV, femur, genu and tibia (dorsal view); 23. Male, leg II, femur, genu, tibia and tarsus (lateral view); 24. Female, leg II, femur, genu, tibia and tarsus (lateral view). Scale bars: 100 µm.
FIGURES 1–2 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 1–2. Cosmolaelaps lignicolus (G. & R. Canestrini), adult female. 1. Habitus of the dorsal shield (slightly pressed specimen; setae x2 and x3, and most postero-marginal pore-like structures of the dorsal shield not visible in this specimen); 2. Detail of seta Z5 and lyrifissure idZ5 (ventral view). Scale bars: 100 µm for Fig. 1; 50 µm for Fig. 2.
FIGURE 13–15 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURE 13–15. Cosmolaelaps lignicolus (G. & R. Canestrini), male. 13. Opisthonotum (slightly pressed specimen; marginal setae and pore-like structures not illustrated); 14. Section of dorsal and peritrematal shields; 15. Ventral idiosoma (partial view). Scale bars = 100 µm.
FIGURES 9–12 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 9–12. Cosmolaelaps lignicolus (G. & R. Canestrini), female, ventral idiosoma, four different specimens (partial views). Scale bars: 100 µm.
FIGURE 8 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURE 8. Cosmolaelaps lignicolus (G. & R. Canestrini), female, ventral idiosoma (partial view; setae Zv5 and glands gv2 not discernible in this specimen). Scale bar = 100 µm.
FIGURES 25–26 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 25–26. Cosmolaelaps lignicolus (G. & R. Canestrini), deutonymph. 25. Dorsal shield (partial view; idj1, gdj2 and gdr4 not illustrated); 26. Dorsal setae. Scale bars: 100 µm for Fig. 25; 50 µm for Fig. 26.
FIGURES 27–28 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 27–28. Cosmolaelaps lignicolus (G. & R. Canestrini), deutonymph, idiosoma (partial views). 27. Ventral view; 28. Lateral view. Scale bars: 100 µm.
FIGURES 29–34 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 29–34. Cosmolaelaps lignicolus (G. & R. Canestrini) and C. vacuus (Michael). 29–30. C. lignicolus, female, dorsal setae; 31. C. lignicolus, male, leg II, femur and genu (lateral view); 32–33. C. lignicolus, deutonymph, dorsal setae (arrow indicates a seta with a bulging base); 34. C. vacuus, male, leg II, femur and genu (lateral view). Scale bars: 50 µm for Figs 31 and 34; Figs 29–30 and 32–33 not to scale (see text for length of setae).
FIGURES 3–7 in Rediscovery and redescription of Laelaps lignicola G. & R. Canestrini, a remarkable myrmecophilous mite of the genus Cosmolaelaps Berlese (Acari: Mesostigmata: Laelapidae) from Italy
FIGURES 3–7. Cosmolaelaps lignicolus (G. & R. Canestrini), female. 3. Section of dorsal shield; 4–7. Opisthonotum, four different specimens (marginal setae and pore-like structures not illustrated). Scale bars: 100 µm.
FIGURES 13–15 in Kiwisaldula waiho and K. hurunui, two new species of Saldidae (Hemiptera: Heteroptera) from the South Island of New Zealand, with redescriptions of K. butleri (White) and K. laelaps (White)
FIGURES 13–15. Eunomy (left corium), most frequently observed pigmentation patterns. (13) Kiwisaldula waiho, (14) K. butleri, (15) K. laelaps.
FIGURES 9–12 in Kiwisaldula waiho and K. hurunui, two new species of Saldidae (Hemiptera: Heteroptera) from the South Island of New Zealand, with redescriptions of K. butleri (White) and K. laelaps (White)
FIGURES 9–12. Facial views of Kiwisaldula species; males. (9) K. waiho, (10) K. hurunui, (11) K. butleri, (12) K. laelaps.
FIGURES 5–8 in Kiwisaldula waiho and K. hurunui, two new species of Saldidae (Hemiptera: Heteroptera) from the South Island of New Zealand, with redescriptions of K. butleri (White) and K. laelaps (White)
FIGURES 5–8. Dorsal views of type specimens with labels. Scale bar = 1 mm. (5–6) Kiwisaldula butleri, female holotype and labels, (7–8) K. laelaps, male lectotype and labels.
FIGURES 1–4 in Kiwisaldula waiho and K. hurunui, two new species of Saldidae (Hemiptera: Heteroptera) from the South Island of New Zealand, with redescriptions of K. butleri (White) and K. laelaps (White)
FIGURES 1–4. Dorsal views of Kiwisaldula species (males; legs and antennae omitted). Scale bar = 1 mm. (1) K. waiho, (2) K. hurunui, (3) K. butleri, (4) K. laelaps.
FIGURES 16–23 in Kiwisaldula waiho and K. hurunui, two new species of Saldidae (Hemiptera: Heteroptera) from the South Island of New Zealand, with redescriptions of K. butleri (White) and K. laelaps (White)
FIGURES 16–23. Schematic view of male genitalia (16–19) Paramere, ventral view. (16) Kiwisaldula waiho (shaft base broken), (17) K. hurunui (shaft base broken), (18a–b) K. butleri, (19) K. laelaps. (20–23) Parandria, posterior view. (20) K. waiho, (21) K. hurunui, (22) K. butleri, (23) K. laelaps.
Data from: Limited dispersal in an ectoparasitic mite, Laelaps giganteus, contributes to significant phylogeographic congruence with their rodent hosts, Rhabdomys
To explore how biogeography, parasite life history and host vagility influences evolutionary codivergences, we followed a comparative phylogeography approach using a host specific non-permanent mite, Laelaps giganteus that occurs on four rodent species within the genus Rhabdomys. A mtDNA COI haplotype network derived for 278 parasite specimens showed marked phylogeographic congruence with host distributions. Analysis of the less variable nuclear intron Tropomyosin was in part consistent with these results. Although distance-based cophylogenetic analyses in AXPARAFIT failed to support significant mtDNA codivergences (P ≥ 0.02), event-based analyses revealed significant cophylogeny between sampling localities of Rhabdomys and Laelaps using CORE-PA (P = 0.046) and JANE (P = 0.026; P = 0.00). These findings, in conjunction with the weak congruence previously reported among the permanent ectoparasitic lice Polyplax and Rhabdomys, suggest that host-parasite intimacy is not the most important driver of significant codivergence in our study system. Instead the more restricted dispersal ability of L. giganteus, when compared to Polyplax, resulted in stronger spatial structuring and this could have resulted in significant codivergence. Host switching occurred predominantly on the edges of host distributions and was probably facilitated by climate-induced range shifts. When host ranges shift, the phylogeographic structure of L. giganteus is not reflecting the host movements since most of the nest bound parasites do not disperse with the host (they miss the boat) and the genetic contribution of the few dispersing mite individuals is often overwhelmed by the large number of individuals already present in nests within the new environment (causing them to drown on arrival).
FIGURE 24 in Kiwisaldula waiho and K. hurunui, two new species of Saldidae (Hemiptera: Heteroptera) from the South Island of New Zealand, with redescriptions of K. butleri (White) and K. laelaps (White)
FIGURE 24. Collecting localities of Kiwisaldula species, South Island, New Zealand.
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