Aulacophora nigripennis

Aulacophora nigripennis is a species of leaf beetle in the genus Aulacophora.[1]

Aulacophora nigripennis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Chrysomelidae
Genus: Aulacophora
Species:
A. nigripennis
Binomial name
Aulacophora nigripennis

Description

The beetle is relatively small with a hard, black exoskeleton containing faint yellowish dots around the sides. The head is a deep, bright orange, while A. nigripennis has a large orange compartmentalized thorax.[2]

Feeding

A. nigripennis is a pest that feeds off of the 28 species in the Dianthus and Tricosantes genera of plants by creating a circular "trench" using its mandibles. After circularly cutting through the leaf, the trench overflows with sticky phloem sap that, through cohesion, sticks to form a semicircle around the beetle. The beetle then sucks the sap using its mouth.[2]

Pest control

Researchers at the Journal of the Japanese Society for Horticultural Science have conducted research in using "trap plants" to kill off and reduce the numbers of A. nigripennis. Because A. nigripennis is attracted particularly to Dianthus pungens in the Dianthus genera, D. pungens trap plants were the most effective, reducing the population of A. nigripennis from 1.5 beetles per 100 carnation plants to a mere 0.1 beetles, a 93.3% reduction.[3]

gollark: One angle, it'll only go up/down probably, it'll line itself up with the feed the fish tank.
gollark: In theory, we will need to aim the projectile thing.
gollark: I'm not sure why I said "not insignificant" as it's something like 10^-3 rad/s, but meh.
gollark: There is not insignificant Z drift, but it's good enough.
gollark: I made it work, as I said, don't* worry.

References
  1. "Chrysomelidae". Joe Hallan's Catalogue. Archived from the original on 2013-09-25.
  2. < "Aulacophora nigripennis".
  3. Akira Uda; Junya Yase; Masahito Yamanaka; Hiroshi Fujii. "Control of Leaf Beetle (Aulacophora nigripennis) Attacking Carnation (Dianthus caryophyllus) Using Some Dianthus as Trap Plants". Journal of the Japanese Society for Horticultural Science.


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