Cycads, however, differ greatly from palms in almost all aspects of anatomical structure and reproductive behavior. Edit Article Add New Article. The immature scales are called crawlers and do not have a hard shell. Those small white flecks are actually insects called cycad aulacaspis scale Aulacaspis yasumatsui , also known as Asian cycad scale. I have made suggestions on using chemicals that have worked for me. Arriving in Florida in the s aboard a shipment of sago palms from Thailand, and without natural enemies here to keep their numbers in check, their populations increased in Florida, killing sagos and costing millions in losses to the landscape industry and property values.
Treatment of Asian Scale
The crawler stage of Aulacaspis yasumatsui cycad aulacaspis scale CAS can be spread via garden waste or infected pruning equipment Hodges et al. Best done in spring or summer. Texas One of the Lower Rio Grande Valley's most popular landscape plants is under severe insect attack, and the prognosis is not good, according to an expert with Texas Cooperative Extension. A problem with this, like with other predatory insects, is that they leave the plant once the problem is taken care of, or move somewhere else before the job is finished. Also, a white powdery substance is in the middle. Move the sprayer evenly and slowly back and forth over the insects to coat their surfaces completely.
Killer Scale From Asia Attacking Sago Palms - tribunedigital-orlandosentinel
A proposal for the exploration for natural enemies of the cycad scale in its native Southeast Asia. In these treatments, the adaxial and abaxial surfaces of the leaflets were fully sprayed and the remainder of the solution was applied as a soil drench. Related Content Load related web page information. I can't tell where you are from your location. The Asian scale is a problem that is not going to go away any time soon.
I just scrubbed the fronds pretty clean with a toothbrush dipped in hot water, dissolved one of the spikes in water, then scrubbed the leaves with the solution and put new spikes in the dirt. I would suggest another treatment of Imidacloprid approximately four months after the first application whether there are insects on the plant or not. Plants were watered on the same schedule, two to three times a week. Leaf areas and insect counts were measured using ImageJ Hold the sprayer's nozzle 4 to 6 inches away from the scale while spraying the liquid. Google provides ad serving technology and runs an ad network. So, I decided to cut all of the offending leaves off.