@article{fdi:010076121, title = {{E}ffect of two oviposition feeding substrates on {O}rius insidiosus and {O}rius tristicolor ({H}emiptera : {A}nthocoridae)}, author = {{L}orenzo, {M}. {E}. and {B}ao, {L}. and {M}endez, {L}. and {G}rille, {G}. and {B}onato, {O}livier and {B}asso, {C}.}, editor = {}, language = {{ENG}}, abstract = {{W}estern flower thrips, {F}rankliniella occidentalis ({P}ergande) ({T}hysanoptera: {T}hripidae), is one of the most significant pests of commercial vegetables, fruits, and ornamental crops worldwide, causing both direct and indirect damage. {C}hemical control is the most common methodology for dealing with {F}. occidentalis, but this pest lays its eggs inside plant tissues, and adults and larvae feed in concealed locations, which can make chemical control of this pest difficult. {A}s an alternative to chemical control, research attention has been focused on biological control through inoculative augmentation using anthocorid flower bugs of the genus {O}rius ({H}emiptera: {A}nthocoridae). {A}lthough {O}rius insidiosus ({S}ay) ({H}emiptera: {A}nthocoridae) is an effective predator used worldwide for suppressing populations of western flower thrips, its use on pepper crops in {U}ruguay ({S}alto) has not achieved favorable results to date. {T}aking into account that {O}. insidiosus can supplement its diet by feeding on pollen and plant tissues, the aim of this study was to assess the effects of pepper fruits compared to bean pods, a vegetable substrate widely used for multiplying this predator, on the duration of the embryonic and nymph developmental stages, survival, fertility, and longevity of this species. {S}ince {O}nus tristicolor ({W}hite) ({H}emiptera: {A}nthocoridae) is present also in the horticultural region of {S}alto, this species was incorporated into the study in order to evaluate if significant differences exist between these 2 species. {W}hen biological parameters were measured, pepper fruits proved to be a more appropriate substrate than bean for the 2 {O}rius species studied. {W}e reject the hypothesis that an antibiosis effect would explain the difficulties for the establishment of {O}. insidiosus in the greenhouses of {S}alto. {T}hese results show the need to examine other factors contributing to low establishment of these predatory bugs in greenhouses in {U}ruguay.}, keywords = {biological control ; omnivory ; plant-feeding predators ; pepper ; {F}rankliniella occidentalis ; oviposition substrates ; {URUGUAY}}, booktitle = {}, journal = {{F}lorida {E}ntomologist}, volume = {102}, numero = {2}, pages = {395--402}, ISSN = {0015-4040}, year = {2019}, DOI = {10.1653/024.102.0216}, URL = {https://www.documentation.ird.fr/hor/fdi:010076121}, }