Similarly, the mean number of gall midge eggs consumed by
lacewing first-instar larvae significantly decreased from 4.8 out of 5 eggs (96%) in the absence of aphids to 1.6 out of 5 eggs (32%) in the presence of aphids (ANOVA, F = 54.9, df = 1, 28, P [less than] 0.0001).
This statement is analogous to the results where earlier finding on nontarget effects of entomopathogenic nematodes on the larvae of the twospotted lady beetle, Adalia bipunctata (L.) (Coleoptera: Coccinellidae) and on the larvae of the
lacewing C.
externa eggs had 11.85 thrips/plant, and the group that subsequently received
lacewing larvae had 13.90 thrips/plant (Table 1).
The number of green
lacewings in nitenpyram (1.05) and thiacloprid (1.03) treated plots had significant difference with control treatments (1.20).
Researchers found that the
lacewing silk was different from the silk created by other insects and had had its own evolutionary pathway.
The
lacewing attractant that Chauhan found is very potent--just 25 milligrams is sufficient to treat an acre of land.
Wild Horse has even used remote control airplanes to distribute "paratrooper"
lacewing eggs over large expanses of vineyard.
Studies on Solanum mealy bug, Phenacoccus solani Ferris (Hemiptera: Phenonacoccus solenopsis, Coccinella septempunctata, Pseudococcidae), its parasitoid and predator complex, reproductive potential and utilization as laboratory prey for rearing the ladybird and green
lacewing predators.
The Chrysopidae family (Insecta: Neuroptera) comprises species commonly known as "
lacewings" or "chrysopids" and includes at least 1,200 species distributed worldwide, with 75 genera and 11 subgenera (Brooks & Barnard 1990).
carnea eggs can be prolonged (Arroyo et al., 2000) and the environment effects upon the viability of green
lacewing eggs (Gardner and Giles, 1996).
A single
lacewing devours between l, ooo and 10,000 aphids in its lifetime, while a ladybird larva can eat between 30 and 40 aphids a day.
The beautiful insect with the shimmering wings is a
lacewing. (We'll call her Lizzy.) You may have seen
lacewings flying around flowers or even fluttering near your porch light at night.
The charity, which has a base at Denby Dale, has also seen big sales of the Ladybird &
Lacewing Box.
A Horsefly B
Lacewing C Mosquito D Cranefly QUESTION 11 - for 11 points: Former Cabinet minister Peter (now Lord) Mandelson is the grandson of which other prominent Labour politician?
A Cabot B Cook C Columbus D Drake A 100 feet per second B 100 miles per hour C 100 yards per minute D 100 kilometres per hour A Crane fly B Horse fly C
Lacewing D Warble fly QUESTION 8 - for 8 points: Who was the Republican nominee for the US presidency in the election of 2008?
