Haemaphysalis Koch, 1844

Genus Haemaphysalis Koch, 1844 View in CoL View at ENA

Haemaphysalis leporispalustris ( Packard, 1869) View in CoL

Female— Figs. 7A–7G View FIGURES 7–8 ; based on 14 specimens, some partially engorged, from Packard’s type series deposited at the Harvard Museum of Comparative Zoology ( MCZ IZ 47339 )

Body of unfed specimens dorsally suboval, longer (1.27–1.65; 1.54 ± 0.10) than wide (0.87–1.14; 1.00 ± 0.07); widest posterior to mid-length. Scutum ( Fig. 7C View FIGURES 7–8 ) oval, longer (0.86–0.96; 0.91 ± 0.03) than wide (0.63–0.806; 0.74 ± 0.05), with posterior margin rounded; cervical grooves deep and broad, converging posteriorly to almost mid-length of scutum, then diverging; scapulae with scattered fine, punctations, bearing very short, fine setae, lateral fields and posterior border with few inconspicuous punctations and glabrous; median field with homogeneously distributed, scattered, small, shallow punctations all bearing very short, fine setae (0.001–0.003; 0.002 ± 0.001) ( Fig. 7C View FIGURES 7–8 ). Alloscutum ( Fig. 7D View FIGURES 7–8 ) with deep, uniformly distributed, small punctations all bearing short setae (0.002– 0.004; 0.003±0.001); marginal groove complete, lining 11 festoons, reaching scutum at level of coxa II; festoons and marginal folds with numerous deep, small, punctations bearing short fine setae. Venter ( Figs. 7E–G View FIGURES 7–8 ): genital aperture at level of coxae III, U-shaped, with almost parallel lateral margins ( Fig. 7G View FIGURES 7–8 ); anal groove posterior to anus joining anterolaterally genital groove; bean-shaped areas posterolateral to anus, delimited by posteromedian groove, festoons, posterior part of genital groove, and anal groove; ventral grooves more distinct in unfed specimens; punctations dense, fine, deep, uniformly distributed, bearing fine setae (0.001–0.003; 0.002 ± 0.001) ( Fig. 7E View FIGURES 7–8 ); spiracular plates almost round with inconspicuous, blunt, dorsal projection, with 3–5 rows of small goblet cells, slightly smaller along periphery. Capitulum ( Figs 7A–B View FIGURES 7–8 ). Dorsal ( Fig. 7A View FIGURES 7–8 ): length from palpal apices to tip of cornuae (0.49–0.58; 0.53 ± 0.03); basis capituli broader (0.39–0.44; 0.41 ± 0.01) than long (0.15–0.19; 0.17 ± 0.01), subrectangular, with convex, rounded, lateral edges, posterior margin straight, cornuae wider at insertion than long, rounded; porose areas narrowly flattened and oval (0.07–0.11; 0.09 ± 0.01) long and (0.04–0.09; 0.06 ± 0.01) wide, placed in deep depressions of basis capituli, diverging posteriorly, inter-porose area concave; ventrally ( Fig. 7B View FIGURES 7–8 ), basis capituli subrectangular, with lateral edges slightly diverging anteriorly, with short rounded, posteriorly directed processes, almost as wide at insertion than at apex. Palps dorsal ( Fig. 7A View FIGURES 7–8 ): palpal segment I inconspicuous; palpal segment II length (0.21–0.28; 0.24 ± 0.01), palpal segment II width at level of lateral projection (0.13–0.18; 0.15 ± 0.01), distance between apices of lateral projections (0.54–0.65; 0.60 ± 0.03); internal edge of palpala segment II markedly concave ending in conspicuous medially directed anterior lobe, with approx. 3 fine, barbed setae; palpal segment III approximately as long (0.13–0.18; 0.14 ± 0.01) as wide (0.09–0.12; 0.11 ± 0.01); lateral length of palpal segments II and III measured from apex of palpal segment III to tip of angle with lateral projection (0.29–0.35; 0.33 ± 0.02). Palps ventral ( Fig. 7B View FIGURES 7–8 ): palpal segment I inconspicuous, palpal segment II with no spurs, with approx. 8 fine, barbed, flattened, median setae (damaged in Fig. 7B View FIGURES 7–8 , but basal insertion holes are clearly visible, and confirmed by the examination of other type specimens); palpal segment III with rounded ventral spur; hypostome clavate, with homogeneous 3:3 dental formula excepted crown, approx. 9 denticles per file. Legs. Coxa I ( Fig. 7F View FIGURES 7–8 ) with short, wide, rounded internal spur, wider than long; distinct, smaller, rounded, external spur; coxa II with internal, round, posteriorly directed spur and external very small, rounded spur; coxa III–IV with single, triangular spur, as long as wide at insertion, directed posteriorly, inserted at mid-width in coxa III, inserted more medially in coxa IV. Trochanter I with ventral rounded spur; coxae and legs with scattered, long, fine setae.

Male— Figs. 8A–8G View FIGURES 7–8 ; based on 2 specimens, some partially engorged, from Packard’s type series deposited at the Harvard Museum of Comparative Zoology ( MCZ IZ 47339 ); therefore, standard deviation values are missing when only 2 measurements were available .

Scutum ( Fig. 8C View FIGURES 7–8 ) oval, longer (1.33–2.12; 1.73) than wide (0.95–1.43; 1.19); with lateral edges convex, widest posterior to mid-length; cervical grooves very deep, short, almost parallel, reaching level of coxa II; scapulae round with scattered fine punctations, bearing short, fine setae as in female; marginal grooves starting anteriorly at approx. mid length of scutum, deep, reaching and lining first festoon, absent along other 9 festoons; festoons with scattered punctations and inconspicuous short, fine setae; median field with unevenly distributed, medium sized shallow punctations, all bearing very short, fine setae (0.004–0.011; 0.008 ± 0.003), glabrous crescent outlining pseudoscutum and glabrous median longitudinal line reaching central festoon, interrupting punctation pattern, lateral fold anterior to festoons with single, lateral, almost linear line of punctations reaching almost level of coxa II ( Fig. 8C View FIGURES 7–8 ). Venter: genital aperture at level of coxa II, covered by oval apron as in Fig. 8E View FIGURES 7–8 ; anal groove posterior to anus joining genital groove anterolaterally, bean-shaped areas posterolateral to anus, delimited by posteromedian groove, festoons, posterior part of genital groove, and anal groove; punctations dense, fine, shallow, and uniformly distributed, bearing fine, very short setae (0.006–0.009; 0.008 ± 0.001) ( Fig. 8F View FIGURES 7–8 ); spiracular plates almost round with blunt, inconspicuous, dorsal projection, with 4–5 lines of small goblet cells, smaller along periphery. Capitulum ( Figs. 8A–B View FIGURES 7–8 ). Dorsal: length from palpal apices to tip of cornuae (0.33–0.35; 0.34); basis capitula broader (0.23–0.24; 0.235) than long (0.13–0.14; 0.135), subrectangular, with convex, rounded, lateral edges, posterior margin straight, cornuae at least as long as wide, bluntly rounded ( Fig. 8A View FIGURES 7–8 ); ventrally basis capituli subrectangular, with lateral edges slightly diverging anteriorly, with short rounded, posteriorly directed processes as wide at insertion as long ( Fig. 8B View FIGURES 7–8 ). Palps dorsal: palpal segment I inconspicuous; palpal segment II length (0.13–0.14; 0.13 ± 0.005), width at level of lateral projection (0.10–0.13; 0.11 ± 0.01), distance between apices of lateral projections (0.39–0.41; 0.40); lateral length of palpal segments II and III combined measured from apex of palpal segment III to tip of angle with lateral projection (0.18–0.19; 0.18 ± 0.006); internal margin concave ending in conspicuous medially directed lobe, with 2–3 fine, barbed setae (visible in specimen not used for SEM); palpal segment III approximately as long (0.06– 0.1; 0.08 ± 0.02) as wide (0.07–0.08; 0.08 ± 0.002) ( Fig. 8A View FIGURES 7–8 ). Palps ventral: palpal segment I inconspicuous, palpal segment II with no spurs, with approx. 5, lanceolate, barbed, fine, median setae; palpal segment III with rounded ventral spur. Hypostome clavate, with homogeneous 3:3 dental formula excepted crown, approx. 8 denticles per file ( Fig. 8B View FIGURES 7–8 ). Legs. Coxa I ( Fig. 8D View FIGURES 7–8 ) with short, rounded internal spur, wider than long, external spur shorter and round; coxa II with round almost ridge-like internal spur and pointed short external spur; coxa III with round, very short, internal spur, coxa IV with inconspicuous barely noticeable internal ridge. Trochanter I with ventral rounded ridge-like spur; coxae and legs with scattered, long, and fine setae ( Fig. 8D View FIGURES 7–8 ).