@article{fdi:010061967, title = {{V}ariations in time and space of an {A}ndean wild population of {T}-infestans at a microgeographic scale}, author = {{B}r{\'e}mond, {P}hilippe and {S}alas, {R}. and {W}aleckx, {E}tienne and {B}uitrago, {R}. and {A}liaga, {C}. and {B}arnab{\'e}, {C}hristian and {D}epickere, {S}t{\'e}phanie and {D}angles, {O}livier and {B}reni{\`e}re, {S}imone {F}r{\'e}d{\'e}rique}, editor = {}, language = {{ENG}}, abstract = {{B}ackground: {W}ild populations of {T}riatoma infestans are now believed to be the source of reinfestation of dwellings in some {A}ndean areas and could impede the full achievement of vector control campaigns in this region. {G}iven the poor knowledge of these populations in natural conditions, their basic biology traits, such as monthly demographic variations and movements of individuals, were explored. {M}ethods: {A} previously identified wild population of {T}. infestans in a field adjacent to a group of isolated houses in an {A}ndean valley (department of {L}a {P}az, {B}olivia) was explored using regular capture assays over 13 months in 50 sites selected at the beginning of the study. {T}he capture-mark-recapture method was applied monthly using mouse-baited adhesive traps for captures and fingernail polish of different colors for the marking. {R}esults: {T}he monthly capture assays did not show significant differences between rainy and dry seasons, showing evidence for a certain stability of the wild {T}. infestans population with only the nymph population tending to decline during the middle of the rainy season when rain is more intensive. {T}hroughout the study, the monthly average number of bugs was 51.1 +/- 25.3 per assay, 91.1% were nymphs, and they were found at 30 of the 50 sites (60%). {T}he number of times a site was positive varied from one to 13. {S}ite infestation was associated with the underground position of the traps, and rocks around and in the surroundings of the traps. {T}he recaptures after marking were successful (138 recaptures over the study). {T}he marking made it possible to detect for 14.5% of the recaptures significant movements of adults (up to 168 m) and nymphs (up to 34 m). {S}ome bugs (nymphs and females) were recaptured after 5 months. {F}or adults, recaptures (46 in total) mostly occurred between {S}eptember and {M}arch. {F}emales were recaptured twice as frequently as males. {C}onclusion: {T}he {A}ndean wild populations of {T}. infestans showed a strong spatial and temporal stability during the year-long study. {D}ispersal may occur mainly during the rainy season. {T}he capture-mark-recapture method was successful and the longevity of the bugs and the distances covered by nymphs and adults were recorded.}, keywords = {{W}ild {T}riatoma infestans ; {B}olivia ; {C}apture-mark-recapture ; {T}emporal variation ; {D}isplacement ; {BOLIVIE} ; {ANDES}}, booktitle = {}, journal = {{P}arasites and {V}ectors}, volume = {7}, numero = {}, pages = {art. no 164}, ISSN = {1756-3305}, year = {2014}, DOI = {10.1186/1756-3305-7-164}, URL = {https://www.documentation.ird.fr/hor/fdi:010061967}, }