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Table 2 Culex pipiens and Ochlerotatus caspius collected using dog- and human- bait traps and number and proportion (%) of fed (dog) or landed (man) mosquitoes according to site and night of collection (*)

From: Risk of canine and human exposure to Dirofilaria immitis infected mosquitoes in endemic areas of Italy

  Culex pipiens pipiens Ochlerotatus caspius
Site Date Dog Man§ Dog Man§
  dd/mm/yy fed/tot % landed/tot % fed/tot % landed/tot %
Site A 05/08/97 2/12 16.7 0/11.5 0.0 0 - 0 -
(Udine) 13/08/97 10/15 66.7 a 26.5/45.5 58.2 a 0 - 0 -
  20/08/97 1/9 11.1 3.5/8 43.8 0 - 0 -
  17/09/97 3/6 50.0 1.5/3 50.0 0 - 0 -
  22/09/97 1/8 12.5 4/10 40.0 0 - 0 -
  25/09/97 5/7 71.4 b 2/7.5 26.7 b 0 - 0 -
  total 22/57 38.6 A 38/85.5 44.4 CD 0 - 0 -
Site B 29/07/98 84/84 100.0c 9.5/68.5 13.9c 0 - 2/2 100.0
(Padova) 10/08/98 64/67 95.5d 2/4.5 44.4d 0 - 3.5/3.5 100.0
  20/08/98 7/7 100.0 1/1 100.0 0 - 0/0.5 0.0
  26/08/98 3/3 100.0 0/0 0.0 0 - 0 -
  23/09/98 0/1 0.0 0/0.5 0.0 0 - 0 -
  total 158/162 97.5eAB 12.5/74.5 16.8 eC 0 - 5.5/6 91.7
Site C 23/06/99 20/36 55.6f 4.5/75.5 6.0f 6/7 85.7 0.5/2.5 20.0
(Rovigo) 29/06/99 6/8 75.0 10.5/24.5 42.9 0 - 4.5/5.5 81.8
  14/07/99 2/35 5.7 1/7.5 13.3 6/6 100.0 10/17 58.8
  27/07/99 16/19 84.2g 21.5/69 31.2g 6/7 85.7 17.5/21.5 81.4
  19/08/99 7/10 70.0 1.5/7.5 20.0 0 - 3/5 60.0
  15/09/99 0/2 0.0 0/0 - 0 - 0 -
  total 51/110 46.4 iB 39/184 21.2 iD 18/20 90 35.5/51.5 68.9
  1. (*) equal letters correspond to significant difference, p < 0.01 (uppercase = comparison within the same host species at the three sites, vertical; lowercase = comparison among dog/humans at the same site, horizontal).
  2. (§) landed and total number of mosquitoes collected per person.