Ectoparasites of small mammals in a fragmented area of the southern Amazonia: interaction networks and correlations with seasonality and host sex

被引:17
作者
de Mendonca, Ravena F. B. [1 ]
Colle, Ana C. [3 ]
Freitas, Leodil C. [3 ]
Martins, Thiago F. [4 ]
Horta, Mauricio C. [5 ]
Oliveira, Glauber M. B. [5 ]
Pacheco, Richard C. [3 ]
Mateus, Lucia A. F. [2 ]
Rossi, Rogerio, V [1 ]
机构
[1] Univ Fed Mato Grosso, Inst Biociencias, Av Fernando Correa da Costa 2367, Cuiaba, MT, Brazil
[2] Univ Fed Mato Grosso, Inst Biociencias, Ctr Biodiversidade, Av Fernando Correa da Costa 2367, Cuiaba, MT, Brazil
[3] Univ Fed Mato Grosso, Fac Med Vet, Programa Posgrad Ciencias Vet, Av Fernando Correa da Costa 2367, Cuiaba, MT USA
[4] Univ Sao Paulo, Fac Med Vet & Zootecnia, Dept Med Vet Prevent & Saude Anim, Av Prof Dr Orlando Marques de Paiva 87, BR-05508270 Sao Paulo, SP, Brazil
[5] Univ Fed Vale Rio Sao Francisco, CMVET, Campus Ciencias Agr,Rodovia BR 407,Km 12,Lote 543, BR-56300990 Petrolina, PE, Brazil
关键词
Didelphimorphia; Rodentia; Ectoparasites; Parasite-host association; LAELAPINE MITES ACARI; RICKETTSIAL INFECTION; RODENTIA CRICETIDAE; CERRADO FRAGMENTS; RAIN-FOREST; BODY-SIZE; TICKS; ECOLOGY; IXODIDAE; COMMUNITY;
D O I
10.1007/s10493-020-00491-5
中图分类号
Q96 [昆虫学];
学科分类号
摘要
The present work aimed to analyze the ectoparasite-host interaction network and possible differences of this interaction related to two seasonal periods and host sex. During November 2016 and July 2017, non-flying small mammals were captured in 17 forest fragments located in the southern portion of the Amazon biome. We captured 96 individuals belonging to 10 host species that were parasitized with a total of 3668 ectoparasites. Overall, we identified 24 ectoparasite taxa belonging to the mite and insect groups Ixodida (ticks), Mesostigmata, Sarcoptiformes, Trombidiformes (mites), Phthiraptera (lice), and Siphonaptera (fleas). The interaction network between all ectoparasites and hosts showed significant deviation from random, with moderately high specialization index (H2 ' = 0.80). There was seasonal difference in prevalence for Amblyomma cajennense (Fabricius) sensu stricto (s.s), Amblyomma coelebs Neumann and larvae of Amblyomma. This difference was also found in the mean intensity of infestation of Amblyomma larvae and the mite Tur aragaoi (Fonseca). Only mean intensity of infestation differed in relation to host sex for the species Marmosa constantiae Thomas. Our results demonstrate that specificity between ectoparasites and small mammals in this region is moderately high and that the pattern of aggregation of some ectoparasite taxa differed between two seasons, as well as between sexes in M. constantiae.
引用
收藏
页码:117 / 134
页数:18
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