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The \"South American Research Network for the Surveillance and Control of Insecticide-Resistance in Arthropod Vectors\" (WINSA), established in 2024 by the IRD and FIOCRUZ with support from the US-CDC VecNet initiative and WHO-TDR, aims to coordinate research on insecticide resistance in arthropod vectors in South America, provide a platform for regional collaboration, and develop effective mitigation strategies. WINSA brings together leading technical experts representing research institutions from 14 countries and territories located in South America, the USA, and France to promote collaboration and information exchange, identify research gaps and priorities, enhance technical capacity in insecticide resistance monitoring, and support national and regional programs on vector resistance issues. This network seeks to contribute to the reduction and elimination of vector-borne diseases in South America.

Considerable evidence points to women’s absence in historical accounts of psychology. To examine current representations of women and people of color in commonly used history of psychology textbooks, a content analysis was conducted. Five textbooks were examined for the frequency of mentions of psychology pioneers in both the tables of contents and the body of the text. Coverage dedicated to men, particularly White men, outnumbered women and psychologists of color exponentially. Of the pioneers of interest examined, women received 7.1% of all mentions by name. Texts were also examined for key terms including woman, women, female/s, men, man, and male/s and coded for substantive mentions. Substantive mentions were defined as the context surrounding the term indicating a meaningful scientific contribution. Findings indicated a higher percentage of substantive mentions for man/men than woman/women and the reverse for male/s and female/s. The power of the textbook in shaping the curriculum and the importance of our curricular materials reflecting our changing student demographics are considered.

As technology advances, social processes that have traditionally occurred face-to-face (Ftf), are taking place in an electronic environment. First impressions when interviewing for a job or finding a significant other are now commonly made via Skype, Facebook, or other electronic applications. Although zero-acquaintance literature is vast, few studies have investigated impression formation via video-mediated communication (VMC) or social networking sites (SNS). Furthermore, little is known about the effects of perceiver intent on these impressions. Two studies evaluated impression positivity among Ftf, VMC, and SNS, and between 2 perceiver intents. In both studies Ftf and VMC introductions did not differ significantly. Furthermore, Study 2 indicated that both Ftf and VMC introductions produced significantly more positive impressions than SNS regardless of perceiver intent. However, once age and SNS usage were controlled, this significant difference did not hold. These findings have practical implications across an array of situations.

Homeostats are important to control homeostatic conditions. Here, we have analyzed the theoretical basis of their dynamic properties by bringing the K homeostat out of steady state (i) by an electrical stimulus, (ii) by an external imbalance in the K + or H + gradient or (iii) by a readjustment of transporter activities. The reactions to such changes can be divided into (i) a short-term response (tens of milliseconds), where the membrane voltage changed along with the concentrations of ions that are not very abundant in the cytosol (H + and Ca 2+ ), and (ii) a long-term response (minutes and longer) caused by the slow changes in K + concentrations. The mechanistic insights into its dynamics are not limited to the K homeostat but can be generalized, providing a new perspective on electrical, chemical, hydraulic, pH and Ca 2+ signaling in plants. The results presented here also provide a theoretical background for optogenetic experiments in plants.

Insect growth regulators have been proposed as an alternative for the control of insect pests because they interfere with normal development, mimicking juvenile hormone and molting hormone or interfering with chitin synthesis. The objective of this study was to evaluate the efficacy and persistence of Sumilarv 0.5 G (pyriproxyfen) at the doses 0.01 ppm and 0.05 ppm on Aedes aegypti populations from Trujillo, Venezuela. Bioassays were carried out with the immersion technique, using fourth instar larvae from three localities: Tres Esquinas, Paramito and Hatico and the Rockefeller strain for reference. In the Tres Esquinas population the percent inhibition of emergence (%IE) was 73.5% at 0.01 ppm and 94.7% at 0.05 ppm. In the Paramito and Hatico populations the %IE were low (66 and 69%) at 0.01 ppm, and 79 and 77% at 0.05 ppm, respectively showing a higher efficacy of the compound at the higher dose used. The persistence of pyriproxyfen at 0.05 ppm over the course of the test yielded IE above 90% in all populations during the first four weeks after treatment and after eight weeks decreased to 59% in Tres Esquinas, 73% in Paramito and 83% in Hatico; the Rockefeller reference strain maintained an IE at 99%. Our results show the effectiveness and persistence of pyriproxyfen at the dose of 0.05 ppm suggesting its use for the control of Aedes aegypti in the study areas.

Considerable evidence points to women's absence in historical accounts of psychology. To examine current representations of women and people of color in commonly used history of psychology textbooks, a content analysis was conducted. Five textbooks were examined for the frequency of mentions of psychology pioneers in both the tables of contents and the body of the text. Coverage dedicated to men, particularly White men, outnumbered women and psychologists of color exponentially. Of the pioneers of interest examined, women received 7.1% of all mentions by name. Texts were also examined for key terms including woman, women, female/s, men, man, and male/s and coded for substantive mentions. Substantive mentions were defined as the context surrounding the term indicating a meaningful scientific contribution. Findings indicated a higher percentage of substantive mentions for man/men than woman/women and the reverse for male/s and female/s. The power of the textbook in shaping the curriculum and the importance of our curricular materials reflecting our changing student demographics are considered.

Trujillo state, located in the Andean region of Venezuela, is considered to have a high incidence for dengue, besides coexisting with other tropical diseases such as leishmaniasis, malaria, and Chagas disease. The national program of dengue control includes the use of Temephos as the main larvicide, therefore the purpose of this study was to determine the lethal concentrations 50 and 95 to 50% temephos CE in Aedes aegypti populations from different centers of high dengue endemicity in Trujillo state. Four populations were selected (TE, HTO, PTO and MT), collected along a transect in the northeast-southeast direction of the city of Trujillo and evaluated following the WHO methodology. The LC50 values for the four populations ranged between 0.0031 and 0.0317 ppm, and the LC95 values between 0.0170 and 0.0567 ppm. The HTO, PTO and TR populations were similar, showing values up to ten times higher than those found in the reference population. The spatial distribution of these three populations and the topography of the city facilitate genetic exchange among them, which suggests performing continuous monitoring.