Haemaphysalis chordeilis

Haemaphysalis chordeilis (Packard, 1869) Synonym: Ixodes chordeilis Packard, 1869. Type-host: Chordeiles minor (Forster) (Caprimulgiformes: Caprimulgidae). Other hosts: Bonasa umbellus (Linnaeus), Centrocercus urophasianus (Bonaparte), Dendragapus obscurus (Say), Falcipennis canadensis (Linnaeus), Meleagris gallopavo Linnaeus, Tympanuchus cupido (Linnaeus), Tympanuchus phasianellus (Linnaeus), Tympanuchus sp., unspecified grouse (Galliformes: Phasianidae), Zonotrichia leucophrys (Forster) (Passeriformes: Passerellidae), unspecified rabbit (Lagomorpha: Leporidae), unspecified pocket gopher (Rodentia: Geomyidae), Bos taurus Linnaeus (Artiodactyla: Bovidae), Equus caballus Linnaeus (Perissodactyla: Equidae). Type-locality: USA: Massachusetts. Other localities: Canada: Alberta: Medicine Hat, Seven Persons; Manitoba; Ontario: Algonquin Park, Almonte. USA: California: Marin County, Fort Barry; Idaho: Elmore County, Boise National Forest; Massachusetts: Dukes County, Gay Head, Vineyard Haven; Michigan: Clinton and Ingham Counties, East Lansing; Mecosta County, Big Rapids; Otsego County, Johannesburg; Minnesota: Morrison County, Cushing; Montana: Carter County, Piniele; Fergus County, Judith Mountains, Lewistown, Roy, 1.5 miles southwest of Jerigo Farm, 2.5 miles east of Roy; Hill County, Havre; Ravalli County, Florence, Hamilton, Victor; Nebraska: Dawes County, Chadron; New Hampshire: Merrimack County, Boscawen; New York: Albany County, Delmar; Utah: Garfield County; Vermont: Windsor County, Norwich, Taftsville; Washington: Grays Harbor County, 4 miles south of Westport; Lewis County, Silver Creek; Wisconsin: Wood County, 2 miles south of Babcock; Wyoming: Sheridan County, Little Goose Canyon. Type-material: Holotype female, from C. minor, Massachusetts, USA, F.G. Sanborn; deposited in the MCZ (No. 50239). Other material: 157 males, 30 females, 50 nymphs and 178 larvae. Canada: Alberta: Medicine Hat (~ 50°2'N, 110°40'W): 1 female, from drag, 18.v.1952, J.H. Brown, USNMENT 01784575; Seven Persons (~ 49°52'N, 110°54'W): 1 male, 9.v.1951, J. Higgin, USNMENT 01784576; Manitoba: 8 larvae (reared in laboratory), parent female from domestic cattle, ix.1913, J.R.N. Harrison, USNMENT 01784577; Ontario: Algonquin Park (~ 45°47'N, 78°24'W): 1 male, 1 female and 2 nymphs, from F. canadensis, 9.vii.1949, D.M. Davier, USNMENT 01784578; Almonte (~ 45°13'N, 76°11'W): 1 female, from M. gallopavo, 22.vii.1940, C.R. Twinn, USNMENT 01784579. USA: California: Marin County, Fort Barry (~ 37°49'N, 122°31'W): 1 male, from flag, 9.i.1952, S.J. Carpenter, USNMENT 01784574; Idaho:Elmore County, Boise National Forest(~ 44°N, 115°24'W): 1 female, from D.obscurus, 20.vi.1940, W.H. Marshall (WHM), USNMENT 01784580; same locality: 3 males, from D. obscurus, 6.vi.1940, WHM, USNMENT 01784581; Massachusetts: Dukes County, Gay Head (~ 41°20'N, 70°47'W): 1 female, from M. gallopavo, 2.vii.1938, C.N. Smith (CNS), USNMENT 01784582; same locality: 1 male, from drag, 2.vi.1939, H.K. Gouck Jr., USNMENT 01784583; Vineyard Haven (~ 41°27'N, 70°36'W): 1 female, from drag, 12.v.1939, CNS, USNMENT 01784584; Michigan: Clinton and Ingham Counties, East Lansing (~ 42°44'N, 84°29'W): 1 male, 5 females and 3 nymphs, from M. gallopavo, 13.viii.1927, R.H. Pettit (RHP), USNMENT 01784585; Mecosta County, Big Rapids (~ 43°41'N, 85°29'W): 1 female, from domestic horse, 30.ix.1933, RHP, USNMENT 01784586; Otsego County, Johannesburg (~ 44°59'N, 84°27'W): 1 female, from domestic cow, viii.1945, A. Reusch, USNMENT 01784587; Minnesota: Morrison County, Cushing (~ 46°8'N, 94°34'W): 1 male, from rabbit, vi, USNMENT 01784588; Montana: 2 larvae, USNMENT 01784589; Carter County, Piniele (~ 45°18'N, 104°56'W): 1 female, from C. urophasianus, 8.ix.1935, W. Jellison, USNMENT 01784590; Fergus County, Judith Mountains (~ 47°13'N, 109°13'W): 1 male and 1 female, from D. obscurus, R.L. Eng, USNMENT 01784591; Fergus County, Lewistown (~ 47°3'N, 109°25'W): 5 males, 1 female and 1 nymph, from C. urophasianus, 31.viii.1931, USNMENT 01784592; same locality: 2 females, from C. urophasianus, 21.viii.1931, USNMENT 01784593; same locality: 48 larvae, from grouse, 26.x.1931, USNMENT 01784594; same locality: 2 nymphs and 1 larva, from C. urophasianus, 31.viii.1931, USNMENT 01784595; Fergus County, Roy (~ 47°19'N, 108°57'W): 28 males, 1 female and 1 nymph (reared in laboratory), parents from C. urophasianus, 23.ix.1931, USNMENT 01784596; same locality: 92 males, 1 female, 14 nymphs and 39 larvae (reared in laboratory), parents from C. urophasianus, 23.ix.1931, USNMENT 01784597; same locality: 6 nymphs and 2 larvae, from C. urophasianus, 23.ix.1931, USNMENT 01784599; same locality: 1 male, 1 female and 1 nymph, from C. urophasianus, ix.1931, USNMENT 01784606; Fergus County, Roy, 1.5 miles southwest of Jerigo Farm: 10 nymphs and 3 larvae, from C. urophasianus, 26.ix.1931, USNMENT 01784603; same locality: 4 nymphs, from C. urophasianus, 26.ix.1931, USNMENT 01784604; Fergus County, 2.5 miles east of Roy: 1 nymph, from C. urophasianus, 26.ix.1931, USNMENT 01784598; same locality: 1 nymph, from C. urophasianus, 26.ix.1931, USNMENT 01784600; same locality: 1 larva, from C. urophasianus, 26.ix.1931, USNMENT 01784601; same locality: 1 nymph, from C. urophasianus, 26.ix.1931, USNMENT 01784602; same locality: 2 larvae, from C. urophasianus, 26.ix.1931, USNMENT 01784605; Hill County, Havre (~ 48°32'N, 109°40'W): 4 males, from T. phasianellus, 23.ix.1959, A.M. Jasmin, USNMENT 01784607; Ravalli County (~ 46°4'N, 114°7'W): 1 male, from B. umbellus, 18.ix.1932, USNMENT 01784608; Ravalli County, Florence (~ 46°38'N, 114°4'W): 1 male, crawling on human, 18.vii.1910, W.V. King, USNMENT 01784609; Ravalli County, Hamilton (~ 46°14'N, 114°9'W): 2 nymphs and 3 larvae, from pocket gopher, 25.ix.1931, G. Davis, USNMENT 01784610; Ravalli County, Victor (~ 46°25'N, 114°8'W): 3 males and 1 larva, from D. obscurus, 10.viii.1922, USNMENT 01784611; same locality: 1 male, from D. obscurus, 10.viii.1922, USNMENT 01784612; same locality: 3 males and 2 larvae, from grouse, 17.viii.1923, USNMENT 01784613; Nebraska: Dawes County, Chadron (~ 42°49'N, 103°W): 4 males and 1 female, from grouse, 12.viii.1930, C.B. Philip, USNMENT 01784614; New Hampshire: Merrimack County, Boscawen (~ 43°18'N, 71°37'W): 1 female, from B. umbellus, 21.viii.1940, J.F. Mueller, USNMENT 01784615; New York: Albany County, Delmar (~ 42°37'N, 73°50'W): 1 female, from grouse, 1935, LeDune, USNMENT 01784616; Utah: Garfield County (~ 37°52'N, 111°26'W): 1 female, from rabbit, 27.vii.1936, Eskey, USNMENT 01784617; Vermont: Windsor County, Norwich (~ 43°43'N, 72°18'W): 1 female and 66 larvae (larvae reared in laboratory), from M. gallopavo, 28.vi.1909, P.B. Hadley, USNMENT 01784618; Windsor County, Taftsville (~ 43°37'N, 72°28'W): 1 female, from M. gallopavo, F. Spaulding, USNMENT 01784619; Washington: Grays Harbor County, 4 miles south of Westport (~ 46°50'N, 124°5'W): 1 female, from Z. leucophrys, 21.vi.1959, R.C. Banks (RCB), USNMENT 01784620; same locality: 1 nymph, from Z. leucophrys, 21–23.vi.1959, RCB, USNMENT 01784621; Lewis County, Silver Creek (~ 46°31'N, 122°35'W): 1 male, 17.vii.1910, W. Wright, USNMENT 01784622; Wisconsin: Wood County, 2 miles south of Babcock (~ 44°18'N, 90°6'W): 1 male and 1 female, from T. cupido, 7.iv.1941, W. Grange, USNMENT 01784623; Wyoming: Sheridan County, Little Goose Canyon (~ 44°36'N, 107°2'W): 2 males, from D. obscurus, 18.ix.1961, W.G. Hepworth, USNMENT 01784624. No data on country and locality: 1 female, from Tympanuchus sp., 28.ix.1934, USNMENT 01784625. All specimens are deposited in the USNTC. Etymology: The species is apparently named after the avian host genus Chordeiles Swainson on which the type specimen was collected. Description Male [Based on 157 specimens; Figs. 1C, 11, 12.] Conscutum (Figs. 1C, 11A–C) length from scapular apices to posterior margin 1.95–2.68 (2.26 ± 0.14; n = 50), width 1.25–1.80 (1.50 ± 0.10; n = 50), ratio 1.42–1.60 (1.51 ± 0.04; n = 50), broadly suboval, widest posterior to mid-length, uniformly brown; scapulae short, blunt; cervical grooves faint, very shallow; lateral grooves deep, extending from level of leg II to first festoon, enclosing first, second and sometimes third festoons; eleven distinct festoons; punctations distinct, dense, uniform in distribution, relatively small and moderately deep; setae numerous, short (c. 0.01) and poorly distinct (Fig. 11A–C). Genital apron medial to coxae II, with numerous moderately long denticles on posterior margin (Fig. 11D, E); postgenital sclerite (Fig. 11F) moderately long and broad, more than twice as broad as long, nearly semioval. Spiracular plates (Fig. 11G) length 0.28–0.41 (0.32 ± 0.03; n = 50), width 0.26–0.37 (0.31 ± 0.02; n = 50), ratio 0.97–1.26 (1.07 ± 0.06; n = 50); ratio length of spiracular plate to length of festoon I 1.65–2.67 (2.01 ± 0.23; n = 50), angularly suboval, with short and broad dorsal prolongation. Gnathosoma (Fig. 12A–C) length from palpal apices to cornual apices dorsally 0.43–0.54 (0.49 ± 0.02; n = 50), width of gnathosoma between lateral projection of palpal segments II dorsally 0.45–0.59 (0.50 ± 0.03; n = 50), ratio 0.89–1.05 (0.99 ± 0.04; n = 50). Dorsal basis capituli (Fig. 12A) length 0.20–0.26 (0.23 ± 0.01; n = 50), width 0.31–0.37 (0.34 ± 0.02; n = 50), ratio width to length 1.39–1.65 (1.51 ± 0.07; n = 50); subrectangular with parallel lateral margins, posterior margin nearly straight; cornua moderately long, with narrowly rounded apex, directed slightly posteromedially, ratio total length of basis capituli, including cornua, to cornual length 3.60–5.40 (4.48 ± 0.54; n = 50). Ventral basis capituli (Fig. 12B, C) subrectangular; auriculae lacking. Palpi (Fig. 12A–D) short, length dorsally (segments II–III) 0.23–0.30 (0.27 ± 0.01; n = 50), width 0.21–0.26 (0.23 ± 0.01; n = 50), ratio 1.03–1.27 (1.14 ± 0.05; n = 50); broadly salient, ratio combined palpal width to basis capituli width 1.31–1.64 (1.46 ± 0.07; n = 50)