@article{fdi:010079039, title = {{L}arval dispersal of the invasive fall armyworm, {S}podoptera frugiperda, the exotic stemborer {C}hilo partellus, and indigenous maize stemborers in {A}frica}, author = {{S}okame, {B}. {M}. and {S}ubramanian, {S}. and {K}ilalo, {D}. {C}. and {J}uma, {G}. and {C}alatayud, {P}aul-{A}ndr{\'e}}, editor = {}, language = {{ENG}}, abstract = {{L}arval dispersal either through ballooning or crawling results in a redistribution of the insect population and infestations within and between plants. {I}n addition, invasive species, such as the fall armyworm ({FAW}), {S}podoptera frugiperda ({JE} {S}mith) ({L}epidoptera: {N}octuidae), and the exotic stemborer {C}hilo partellus ({S}winhoe) ({L}epidoptera: {C}rambidae), may displace indigenous stemborers on maize in {A}frica. {T}o test whether larval dispersal activity may play a role in the displacement of indigenous stemborers, larval dispersal was compared between {FAW}, {C}. partellus, and the indigenous species {B}usseola fusca ({F}uller) and {S}esamia calamistis ({H}ampson) (both {L}epidoptera: {N}octuidae). {T}wenty potted maize plants were infested with one batch of eggs either from stemborers ({B}. fusca, {S}. calamistis, or {C}. partellus) or from {FAW} and monitored in the greenhouse for ballooning activities. {A}fter egg hatching, both ballooning and non-ballooning larvae were identified according to species and counted. {FAW} neonate larvae had greater potential for ballooning off than stemborers, irrespective of species. {F}or each species, more females dispersed than males, and their survival rate was higher than that of non-ballooning larvae. {I}n addition, plant-to-plant larval movements were studied using 6.25-m(2) plots of caged maize in a completely randomized design with five replicates. {FAW} was found to have wider dispersal and plant damage potential than any of the stemborer species. {I}n conclusion, in contrast to {C}. partellus, the invasive characteristic of {FAW} can be explained, in part, by its higher larval dispersal activity compared to stemborers. {T}his difference in larval dispersal might also be considered in sampling plans for monitoring pest density in the field.}, keywords = {{B}usseola fusca ; {S}esamia calamistis ; ballooning activity ; crawling activity ; {L}epidoptera ; {N}octuidae ; {C}rambidae ; {AFRIQUE} {SUBSAHARIENNE} ; {KENYA}}, booktitle = {}, journal = {{E}ntomologia {E}xperimentalis et {A}pplicata}, volume = {168}, numero = {4}, pages = {322--331}, ISSN = {0013-8703}, year = {2020}, DOI = {10.1111/eea.12899}, URL = {https://www.documentation.ird.fr/hor/fdi:010079039}, }