This white fly was found well outside of any greenhouse; may 'Global Warming' will aid its survival ...
Die Blattlaus-parasitierende Schlupfwespe Encarsia formosa wird zur biologischen Schädlingsbekämpfung eingesetzt; auch entomophage Cordyceps-Pilze werden verwendet (en.wikipedia.org/wiki/Lecanicillium_muscarium).
Image of the larva (by A. Mikhaltsov): en.wikipedia.org/wiki/Greenhouse_whitefly#/media/File:%D0...

Phylum: Arthropoda LATREILLE, 1829 (arthropods, Gliederfüßer)
Subphylum: Hexapoda BLAINVILLE, 1816 (Sechsfüßer)
Class: Insecta LINNAEUS, 1758 (insects, Insekten)
Subclass: Pterygota LANG, 1888 (Fluginsekten)
Infraclass: Neoptera MARTYNOV, 1923
Order: Hemiptera LINNAEUS, 1758 (true bugs, Schnabelkerfe)
Suborder: Sternorrhyncha AMYOT & SERVILLE, 1843 (Pflanzenläuse)
Superfamily: Aleyrodoidea (whiteflies)
Family: Aleyrodidae WESTWOOD, 1840 (whiteflies)
Subfamily: Aleyrodinae WESTWOOD, 1840
Genus: Trialeurodes COCKERELL, 1902
Trialeurodes vaporariorum WESTWOOD, 1856 (Greenhouse Whitefly, Gewächshaus-Weiße Fliege)

some info: de.wikipedia.org/wiki/Gew%C3%A4chshaus-Wei%C3%9Fe_Fliege

Germany, N-Hesse: Kassel (creek: Schließe), ca. 180m asl., 30.09.2016

MP-E65mm, 1/160s, f/9.0, ISO400, Macro Magnification - 3.0x, ring-flash (+2/3), hand-held
IMG_9614; IMG_9598