scholarly journals Biology and thermal requirements of Utetheisa ornatrix (L.) (Lepidoptera: Arctiidae) reared on artificial diet

2008 ◽  
Vol 51 (4) ◽  
pp. 447-453 ◽  
Author(s):  
André Gustavo Corrêa Signoretti ◽  
Dori Edson Nava ◽  
José Maurício Simões Bento ◽  
José Roberto Postali Parra

A study on the biology of Utetheisa ornatrix reared on the artificial diet, was conducted to determine the thermal requirements in each development stage. The aim was to find out the thermal regions in the São Paulo state where the pest could develop on Crotalaria spp. The insects were reared on an artificial diet based on the white beans and yeast. U. ornatrix thermal requirements were tested at 18, 20, 22, 25, 28, 30, and 32ºC 70±20% RH, and 14-h photophase. Lower threshold temperatures (TT) and thermal constants (K) for the egg, larval and pupal stages were 12.7ºC and 51.2 GDD, 13.5ºC and 290.9 GDD, 13.8ºC and 108.4 GDD, respectively; TT and K values for the biological cycle were 13.8ºC and 436.3 GDD.

2006 ◽  
Vol 66 (4) ◽  
pp. 1037-1043 ◽  
Author(s):  
D. E. Nava ◽  
P. Fortes ◽  
D. G. de Oliveira ◽  
F. T. Vieira ◽  
T. M. Ibelli ◽  
...  

The lepidopterans Platynota rostrana (Walker) (Tortricidae) and Phidotricha erigens Raganot (Pyralidae) have been found frequently in citrus groves in São Paulo State in recent years. Since in Brazil, the fertility cycle of these two species is largely unknown, as are details of the damage wrought by them in crops, this research studied these aspects of the two species, which were kept under laboratory conditions (temperature 25 ± 2 °C, 70 ± 10% RH, 14 h photophase) and on an artificial diet. The duration of the biological cycle (egg-adult) for P. rostrana was 38.3 days and total viability was 44.0%; for P. erigens these values were 32.5 days and 63.6%, respectively. Both species showed five larval instars. Females of P. rostrana laid an average of 308 eggs, whereas those of P. erigens laid an average of 106 eggs. In both species, female pupae were heavier than males. Male and female longevity for both species was nearly 10 days. Based on the data obtained, the artificial diet produced better results in P. rostrana than in P. erigens. If these species, which have the potential to reach pest status in the citrus groves of São Paulo State, could be reared on an artificial diet, research on their control by alternative methods would be easier.


2018 ◽  
Vol 36 (1) ◽  
pp. 54-58
Author(s):  
Simone Andzeiewski ◽  
Sabrina Lerin ◽  
Ligia C. Bortoli ◽  
Aline Nondillo ◽  
Daniel Bernardi ◽  
...  

ABSTRACT Lobiopa insularis is one of the main pests of strawberry crop, causing direct damage to fruit, making them unfeasible for consumption and commercialization. This study aimed to estimate, under laboratory conditions, base temperature and thermal requirements of the eggs, larvae, pupae and the biological cycle (from egg to adult) of L. insularis. Insects were reared on artificial diet based on strawberry fruits, at temperatures of 16, 19, 22, 25, 28 and 31°C, using air-conditioned chambers (70±10% R.H.; 12 h photophase). The number of annual generations of L. insularis was estimated for eight municipalities belonging to the main strawberry growing regions in Brazil, considering base temperature and thermal constant. Development time of L. insularis was proportional to the temperature increase. The best development rate was obtained when insects were reared at 22 and 25ºC. Based on thermal requirements of L. insularis, the number of annual generations was estimated between 5 and 7 per year, according to the studied region.


Author(s):  
Liliane Maria Guimarães de Pinho ◽  
Vera Lúcia Garcia ◽  
Maria Cezira Fantini Nogueira-Martins

Implementation of a multiprofessional residency in family health in a city of São Paulo state: perception of the first residents (2014-2016)


2017 ◽  
Vol 314 (3) ◽  
pp. 1675-1681
Author(s):  
Elvis J. França ◽  
Elisabete A. De Nadai Fernandes ◽  
Felipe Y. Fonseca ◽  
Marcelo R. L. Magalhães ◽  
Mariana L. O. Santos

Author(s):  
Raquel Cardoso de Souza ◽  
Aline Andrade Godoy ◽  
Fábio Kummrow ◽  
Thyago Leandro dos Santos ◽  
Carlos Jesus Brandão ◽  
...  

2021 ◽  
Vol 141 ◽  
pp. 110805
Author(s):  
Giancarlo Aquila ◽  
Wilson Toshiro Nakamura ◽  
Paulo Rotella Junior ◽  
Luiz Celio Souza Rocha ◽  
Edson de Oliveira Pamplona

2021 ◽  
Vol 13 (11) ◽  
pp. 6185
Author(s):  
André Ruoppolo Biazoti ◽  
Angélica Campos Nakamura ◽  
Gustavo Nagib ◽  
Vitória Oliveira Pereira de Souza Leão ◽  
Giulia Giacchè ◽  
...  

During the initial months of the COVID-19 pandemic, farmers worldwide were greatly affected by disruptions in the food chain. In 2020, São Paulo city experienced most of the effects of the pandemic in Brazil, with 15,587 deaths through December 2020. Here, we describe the impacts of COVID-19 on urban agriculture (UA) in São Paulo from April to August 2020. We analyzed two governmental surveys of 2100 farmers from São Paulo state and 148 from São Paulo city and two qualitative surveys of volunteers from ten community gardens and seven urban farmers. Our data showed that 50% of the farmers were impacted by the pandemic with drops in sales, especially those that depended on intermediaries. Some farmers in the city adapted to novel sales channels, but 22% claimed that obtaining inputs became difficult. No municipal support was provided to UA in São Paulo, and pre-existing issues were exacerbated. Work on community gardens decreased, but no garden permanently closed. Post COVID-19, UA will have the challenge of maintaining local food chains established during the pandemic. Due to the increase in the price of inputs and the lack of technical assistance, governmental efforts should be implemented to support UA.


Author(s):  
Thaís Silvana de Carvalho ◽  
Marcelo Adorna Fernandes ◽  
Frésia Ricardi-Branco ◽  
Aline Marcele Ghilardi ◽  
Bernardo de Campos Pimenta e Marque Peixoto ◽  
...  

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3964
Author(s):  
Laryssa Morais ◽  
Victor Nascimento ◽  
Silvio Simões ◽  
Jean Ometto

The urban population increase in the world, the economic expansion, and the rise in living standards associated with society’s habits and lifestyles accelerated the municipal solid waste (MSW) generation in undeveloped countries, such as in Brazil, in which the generation increased by 25% from 2012 to 2017. In the same period, the São Paulo state, the richest Brazilian state, increased its municipal solid waste generation by 51%. All this MSW needed to be collected and transported, and this process has a high economic and environmental cost. Therefore, this study aims to identify, using spatial analysis, the routes used by MSW trucks to estimate the distances traveled to dispose of the MSW on a regional scale considering all municipalities in the São Paulo state. The findings showed that the landfill numbers decrease, mainly individual ones, which receive MSW only from the city where it is located. Otherwise, the consortium landfills number is increasing, as well as the number of municipalities that share the same disposal site. Consequently, the distances to transport MSW from urban areas to final disposal sites increased by about 55% from 2012 to 2017, reaching 613 million kilometers during this period. This total distance is sufficient to make more than 12,806 laps on Earth and contribute to high fuel consumption and greenhouse gas emission.


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