lac

(redirected from Lac scale)
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  • noun

Words related to lac

resinlike substance secreted by certain lac insects

References in periodicals archive ?
1999), we attempted to determine whether the lobate lac scale infests roots.
Observations were conducted to determine the time of development of the lobate lac scale from early first instar to mature female and to the advent of the crawlers of the subsequent generation.
Scale detection and counts were conducted on 3 plant species (wax myrtle, wild coffee, and red-berry stopper) that are highly susceptible to lobate lac scale (Howard et al.
On 3 branches, single segments (5 cm long), where the lobate lac scale populations occurred at maximum densities, were delimited and marked on each plant.
The 2 parasitoid species reported from lobate lac scale hosts in Florida (Howard & Pemberton 2003; Schauff 2005) were identified from only a few specimens reared from a total of about 3000 lobate lac scale-infested twig samples that were collected from various field sites in southeastern Florida during 2002-2003.
The ability and probability of the lobate lac scale to adapt to colder temperature and expand their range is un known.
Lobate lac scale, Paratachardina lobata lobata (Chamberlin) (Hemiptera: Kerriidae).
The mortality of lobate lac scales was deter mined in the laboratory at constant temperatures
All lobate lac scales used in this study were collected from a single cocoplum (Chrysobalanus icaco L.) shrub located in Kendall, Miami-Dade County, Florida.
Viability of lobate lac scales before and after the low temperature exposure was determined by crushing each individual.
Coco plum seedlings (Chrysobalanus icaco L.) infested with the invasive lobate lac scale were used to observe the host finding behavior.
For the parasitoid acceptance tests, other host plants of lobate lac scale were used including coco plum, wax myrtle (Myrica cerifera (L.)), yaupon holly (Ilex vomitoria Ait.), myrsine (Rapanea guianensis Aubl.) and white indigo berry (Randia aculeate L.).
The observation boxes were put over lobate lac scale infested coco plum seedlings (growing in the cones), which were manually defoliated to allow an unobstructed view.
Host plants in 3-gallon pots infested with lobate lac scale were covered with 10 x 58-cm Plexiglas cylinders (Pemberton et al.
In order to compare the ability of parasitoid species to oviposit and parasitize the lobate lac scale, the length of time required to penetrate the lobate lac scale with the ovipositor, and the reproductive rates (number of offspring per test cylinder) were compared.