Protocol for semi‐automatic identification of whiteflies Bemisia tabaci and Trialeurodes vaporariorum on yellow sticky traps

2019 ◽  
Vol 143 (6) ◽  
pp. 652-658
Author(s):  
Rob Moerkens ◽  
Nathalie Brenard ◽  
Lien Bosmans ◽  
Eva Reybroeck ◽  
Dirk Janssen ◽  
...  
Keyword(s):  
Bemisia Tabaci ◽  
Trialeurodes Vaporariorum ◽  
Automatic Identification ◽  
Sticky Traps ◽  
Yellow Sticky Traps

scholarly journals Fewer Whiteflies Found on CO2-enriched Greenhouse Tomatoes with High C: N Ratios

HortScience ◽  
1992 ◽  
Vol 27 (10) ◽  
pp. 1079-1080 ◽  
Author(s):  
Kim E. Tripp ◽  
William K. Kroen ◽  
Mary M. Peet ◽  
Daniel H. Willits
Keyword(s):  
Carbon Dioxide ◽  
Lycopersicon Esculentum ◽  
Population Growth ◽  
Trialeurodes Vaporariorum ◽  
Carbon Dioxide Enrichment ◽  
Plant Composition ◽  
Sticky Traps ◽  
The Mean ◽  
Greenhouse Tomatoes ◽  
Yellow Sticky Traps

Eight tomato (Lycopersicon esculentum) cultivars were grown for 16 weeks in greenhouses enriched for an average of 8.1 hours daily to 1000 μl CO /liter of air or in greenhouses maintained at ambient CO. Carbon dioxide enrichment significantly decreased the mean number of greenhouse whiteflies [Trialeurodes vaporariorum (Westward), Homoptera: Aleyrodidae] as measured by counts from commercial yellow sticky traps. The number of whiteflies present was negatively correlated with both seasonal foliar C: N ratio and percent C but positively correlated with percent N in the foliage. Thus, CO enrichment apparently alters plant composition in such a way as to reduce significantly the population growth of greenhouse whiteflies.

scholarly journals Reduced translucency and the addition of black patterns increase the catch of the greenhouse whitefly, Trialeurodes vaporariorum, on yellow sticky traps

PLoS ONE ◽  
2018 ◽  
Vol 13 (2) ◽  
pp. e0193064 ◽  
Author(s):  
Clare Sampson ◽  
Anca D. Covaci ◽  
James G. C. Hamilton ◽  
Nayem Hassan ◽  
Shakir Al-Zaidi ◽  
...  
Keyword(s):  
Trialeurodes Vaporariorum ◽  
Greenhouse Whitefly ◽  
Sticky Traps ◽  
Yellow Sticky Traps

Temperature and Diel Catches of Trialeurodes vaporariorum and Bemisia tabaci (Homoptera: Aleyrodidae) Adults on Sticky Traps in the Greenhouse

1994 ◽  
Vol 29 (2) ◽  
pp. 222-230 ◽  
Author(s):  
Tong-Xian Liu ◽  
Ronald D. Oetting ◽  
G. David Buntin
Keyword(s):  
Bemisia Tabaci ◽  
Activity Patterns ◽  
Trialeurodes Vaporariorum ◽  
Flight Activity ◽  
Euphorbia Pulcherrima ◽  
Plant Canopy ◽  
Gerbera Jamesonii ◽  
Sweetpotato Whitefly ◽  
Greenhouse Whitefly ◽  
Sticky Traps

Patterns of diel flight activity of the greenhouse whitefly, Trialeurodes vaporariorum (Westwood), and sweetpotato whitefly, Bemisia tabaci (Gennadius), were investigated on poinsettia, Euphorbia pulcherrima Willd., and gerbera daisy, Gerbera jamesonii H. Bolus, under greenhouse and environmentally controlled conditions. Adult flight activity was monitored at 2-h intervals (from 0700 to 2100 h EST) at various heights using yellow sticky traps. Traps placed 5 cm above the top of the plant canopy caught more adults of both species than traps placed higher. The daily patterns of catches of T. vaporariorum and B. tabaci adults in the greenhouse were similar and were unimodal with peak catches occurring between 0900–1300 h. Numbers of adults caught on the sticky traps in the greenhouse were correlated with temperature and relative humidity for T. vaporariorum, but not for B. tabaci. Few adults were caught during the dark hours (from 2100 to 0700 h). Under constant temperatures of 20°, 25°, and 30°C, the flight activity patterns of both whitefly species were unimodal, with peak catches of T. vaporariorum and B. tabaci occurring in the morning and afternoon, respectively. Differences in temperature did not significantly alter the pattern of catches of adults on sticky traps. The lowest temperature for initiation of whitefly flight was 16–17°C for T. vaporariorum, and 17–18°C for B. tabaci.

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