A developmental threshold of lO.3°C and a thermal constant of 307 day-degrees C were estimated for a Wisconsin population of Orius insidiosus (Say) (Hemiptera: Anthocoridae) by rearing eggs and nymphs at various constant temperatures.
Kingsley, P. C. and Harrington, B. J.
"Development of Orius Insidiosus (Hemiptera: Anthocoridae) in Relation to Temperature,"
The Great Lakes Entomologist: Vol. 14
, Article 3.
Available at: http://scholar.valpo.edu/tgle/vol14/iss3/3