The development and structure of mucilage cells in Opuntia polyacantha (Cactaceae) were studied at the light- and electron-microscope levels Stereological morphometric methods were used to describe ...

This is a preview. Log in through your library . Abstract Olycella subumbrella Dyar (Lepidoptera: Pyralidae) is a univoltine species in northwest Texas where it attacks prickly pear (Opuntia ...

*$1 will be added to your next bill. After your 4 weeks access is complete your rate will increase by $0.00 a X percent off the regular rate. Cacti is suddenly everywhere. Garden centres are ...

Max. Elevation 2135 Min. Elevation 2135 Record Last Modified 17 Oct 2024 Specimen Count 1 Collection Date 31 Jul 1898 Barcode 00178037 Other Numbers Multi-sheeted specimen : Sheet 02 of 02 USNM Number ...

So you thought that grasshoppers were the only insect you had to worry about this summer? Wrong! Two years ago, I wrote an article about cochineal scale (Dactylopius coccus), which had infested my ...