Emergence and adult biology of Agrilus difficilis were examined in relation to its host Gleditsia triacanthos. began as early as 5 June in 1982 and completed as late as 22 July in 1983. Females lived significantly longer, 48 days, than males, 29 days. Average fecundity was one egg per day during a 36-day oviposition period.
Akers, Rodney C.; Herms, Daniel A.; and Nielsen, David G.
"Emergence and Adult Biology of Agrilus Difficilis (Coleoptera: Buprestidae), a Pest of Honeylocust, Gleditsia Triacanthos,"
The Great Lakes Entomologist: Vol. 19
, Article 4.
Available at: http://scholar.valpo.edu/tgle/vol19/iss1/4