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Table 3 I. scapularis larvae and nymphs collected from mist-netted birds (in taxonomic order), Dutchess and Putnam Counties, 2011 a

From: Isolation of deer tick virus (Powassan virus, lineage II) from Ixodes scapularis and detection of antibody in vertebrate hosts sampled in the Hudson Valley, New York State

Host species # Individuals (# Indiv. w/ticks attached) # Ticks sampled (Est. # ticks on individual birds) Avg # ticks sampled/birds sampled (Range)
American woodcock 3 (2) 5 (5) 1.7 (0–4)
Scolopax minor
Picids (woodpeckers) 8 (0) 0 (0) 0.0
4 species
Eastern phoebe 17 (0) 0 (0) 0.0
Sayornis phoebe
Other Tyrannids (flycatchers) 4 species 4 (0) 0 (0) 0.0
Red-eyed vireo 9 (1) 1 (3) 0.3 (0–3)
Vireo olivaceus
Blue Jay 4 (4) 25 (45) 11.3 (1–41)
Cyanocitta cristata
Eastern tufted titmouse 15 (4) 15 (17) 1.1 (0–8)
Baeolophus bicolor
Black-capped chickadee 21 (5) 4 (6) 0.3 (0–2)
Poecile atricapilla
Carolina wren 8 (8) 81 (84) 10.5 (3–20)
Thryothorus ludovicianus
House wren 3 (3) 23 (23) 7.7 (1–19)
Troglodytes aedon
American robin 9 (8) 56 (115) 12.8 (0–40)
Turdus migratorius
Wood thrush 24 (22) 90 (142) 5.9 (0–18)
Hylocichla mustelina
Veery 51 (47) 386 (600) 11.8 (0–40)
Catharus fuscescens b
Other Turdids (thrushes) 12 (1)c 2 (2) 0.2 (0–2)
3 species
Gray catbird 215 (157) 392 (671) 3.1 (0–36)
Dumetella carolinensis b
Brown thrasher 6 (6) 33 (37) 6.2 (2–15)
Toxostoma rufum
Blue-winged warbler 5 (3) 3 (4) 0.8 (0–2)
Vermivora cyanoptera
Black-and-white warbler 2 (2) 11 (11) 5.5 (3–8)
Mniotilta varia
American redstart 2 (2) 4 (6) 3.0 (2–4)
Setophaga ruticilla
Ovenbird 16 (11) 26 (38) 2.4 (0–11)
Seiurus aurocapillus
Common yellowthroat 8 (3) 16 (18) 2.3 (0–9)
Geothlypis trichas
Other Parulids (warblers) 25 (4)d 7 (8) 0.3 (0–4)
11 species
Northern cardinal 22 (18) 94 (108) 4.9 (0–26)
Cardinalis cardinalis b
Rose-breasted grosbeak 6 (3) 0 (6) 1.0 (0–2)
Pheucticus ludovicianus
Indigo bunting 4 (2) 9 (11) 2.8 (0–10)
Passerina cyanea
Eastern towhee 46 (42) 418 (586) 12.7 (0–80)
Pipilo erythrophthalmus b
Grasshopper sparrow 7 (6) 9 (12) 1.7 (0–7)
Ammodrammus savannarum
Savannah sparrow 3 (2) 44 (44) 14.7 (0–40)
Passerculus sandwichensis
White-throated sparrow 42 (1) 1 (1) 0.0 (0–1)
Zonotrichia albicollis
Song sparrow 13 (5) 14 (29) 2.2 (0–11)
Melospiza melodia
Other Emberizids (sparrows) 2 species 7 (4)e 5 (6) 0.9 (0–4)
Common grackle 3 (3) 15 (16) 5.3 (4–8)
Quiscalus quiscula
American goldfinch 17 (1) 0 (2) 0.1 (0–2)
Spinus tristis
House sparrow 28 (0) 0 (0) 0.0
Passer domesticus
Others 4 species 4 (2)f 2 (3) 0.8 (0–2)
Totals 669 (382) 1791 (2659) 4.0 (0–80)
  1. a 58 Birds netted in fall, 2010 were bled only and are not included in the Table.
  2. b 1 individual was seropositive for POWV neutralizing antibodies.
  3. cI. scapularis (N = 1) removed from 1 of 9 Hermit thrushes (Catharus guttatus).
  4. dI. scapularis observed on and/or removed from 1 of 4 Yellow warblers (Dendroica petechia) (N = 4), 1 Worm-eating warbler (Helmitheros vermivora) (N = 1), 1 of 2 Louisiana waterthrushes (Seiurus motacilla) (N = 1, not removed), and 1 Hooded warbler (Wilsonia citrine) (N = 2).
  5. eI. scapularis observed on and/or removed from 2 of 4 Field sparrows (Spizella pusilla) (N = 2, 1 not removed), 2 of 3 Unidentified sparrows (N = 5).
  6. fI. scapularis observed on and/or removed from 1 White-breasted nuthatch (Sitta carolinensis) (N = 1, not removed) and 1 Red-winged blackbird (Agelaius phoeniceus) (N = 2).