Walnut Lace Bug
Corythucha juglandis
This record describes Corythucha juglandis (species). Recorded family: Tingidae. Recorded order: Hemiptera.
Identification and Appearance
adults and nymphs are found together on the lower surfaces of walnut leaflets... More than 100 nymphs and adults may be present on one leaflet. Areas where they have fed are easily recognized because of cast skins, excrement, and dark, discolored patches of leaf. The upper leaf surface is stippled with tiny white spots that give the upper leaf surface a whitish appearance. Leaves of heavily infested trees may turn brown and fall off.
Wikipedia reference for Corythucha juglandis: http://en.wikipedia.org/wiki/Corythucha_juglandis.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
- Suborder
- Heteroptera
- Superfamily
- Miroidea
- Family
- Tingidae (Lace Bugs)
- Subfamily
- Tinginae
- Tribe
- Tingini
- Genus
- Corythucha
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
throughout the range of black walnut (e. US & scattered w. records; map )
Diet and Behavior
Diet: hosts: almost exclusively Juglans nigra (Juglandaceae)
Additional species information
Species notes from the sources
Etymology: Corythucha juglandis (Fitch 1856)
About True Bugs, Cicadas, Hoppers, Aphids and Allies: the wider group
Order-level background for Hemiptera, the group containing Corythucha juglandis. Species-specific details appear above.
Group overview
Hemiptera (true bugs) includes over 80,000 described species across cicadas, aphids, leafhoppers, shield bugs, and bed bugs. Aphids alone cost global agriculture an estimated $2.5 billion annually in crop losses.
Ecological role of the group
Many Hemiptera are essential food sources for birds and predatory insects. Cicadas provide massive nutrient pulses during emergence events - a single Brood X emergence can involve trillions of individuals across 15 states.
Economic and practical significance of the group
The brown marmorated stink bug (Halyomorpha halys) caused $37 million in apple crop losses in a single year in the U.S. Mid-Atlantic region. Bed bug infestations in the U.S. increased by 500% between 2001-2010, costing the hotel industry hundreds of millions annually.
Recorded sources for this group: USDA, EPA, University research. Imported estimates may describe particular regions or reporting periods.
Photos of Walnut Lace Bug (2)
Photo credits: Contributed by WonGun Kim; Additional contributions by Mike Quinn , v belov
Frequently Asked Questions About Walnut Lace Bug
What is Walnut Lace Bug?
Walnut Lace Bug (Corythucha juglandis) is a species in the family Tingidae, within the order Hemiptera.
Where is Walnut Lace Bug found?
Range: throughout the range of black walnut (e. US & scattered w. records; map )
What does Walnut Lace Bug eat?
The diet of the Walnut Lace Bug includes hosts: almost exclusively Juglans nigra (Juglandaceae).