@article{fdi:010016140, title = {{T}setse flies, biodiversity and the control of sleeping sickness : structure of a {G}lossina guild in {S}outhwest {C}{\^o}te d'{I}voire}, author = {{G}outeux, {J}ean-{P}aul and {J}arry, {M}.}, editor = {}, language = {{ENG}}, abstract = {{T}setse fly guilds usually comprise two or three species. {H}owever, the presence of only one species often indicates that anthropic modifications have occurred in the habitat. {O}n the other hand, more than three species are seldom observed in the same zone and the presence of five is extremely rare. {P}revious detailed studies have always focused on a single species, without taking into account interactions between species. {T}he authors present the results of observations carried out in {C}{\^o}te d'{I}voire on a guild consisting of #{G}lossina palpalis$, #{G}. pallicera$, #{G}. nigrofusca$, #{G}. longipalpis$ and #{G}. fusca$. #{G}lossina$ have unusual physiological characteristics : both sexes feed exclusively on blood, they have a highly developed larviparity associated with a slow rhythm of reproduction (one larva about every ten days) and a long life expectancy (up to nine months). {T}he authors report on the size of the flies, the hosts, feeding habits, ecodistribution, resting-places, flying heights, circadian activity and seasonal dynamics of tsetse fly populations in order to understand the organization of this guild. {E}ach species feeds indiscriminately on a wide spectrum of hosts without a particular preference. {D}ifferent species shared habitat (ecodistribution) and time (circadian and annual cycles). {T}hus, during an annual cycle, there is always a slight time-lag between the density peaks of #{G}. palpalis$ and #{G}. pallicera$, the peak of the dominant species immediately preceding that of the dominated species. {I}n a village area, 77% of the variations in density of #{G}. pallicera$ were accounted for by the previous variations in density of the dominant species (#{G}. palpalis$). {E}xperiments show that #{G}. pallicera$ and #{G}. nigrofusca$ immediately invade anthropic areas from which #{G}. palpalis$ has been partially removed by trapping. {T}hese species thus appear to confront each other in a global dynamic equilibrium... ({D}'apr{\`e}s r{\'e}sum{\'e} d'auteur)}, keywords = {{MALADIE} {DU} {SOMMEIL} ; {VECTEUR} ; {ECOLOGIE} ; {ASSOCIATION} {D}'{ESPECES} ; {DISTRIBUTION} {SPATIALE} ; {RYTHME} {D}'{ACTIVITE} ; {DYNAMIQUE} {DE} {POPULATION} ; {COMPETITION} {INTERSPECIFIQUE} ; {COTE} {D}'{IVOIRE} ; {VAVOUA} {REGION}}, booktitle = {}, journal = {{A}cta {O}ecologica}, volume = {19}, numero = {5}, pages = {453--471}, ISSN = {1146-609{X}}, year = {1998}, DOI = {10.1016/{S}1146-609{X}(98)80050-7}, URL = {https://www.documentation.ird.fr/hor/fdi:010016140}, }