tobacco hornworm: meaning, definition, pronunciation and examples
LowTechnical / Scientific / Agricultural
Quick answer
What does “tobacco hornworm” mean?
A large green caterpillar, the larval stage of the Carolina sphinx moth (Manduca sexta), that feeds on tobacco and other plants in the nightshade family.
Audio
Pronunciation
Definition
Meaning and Definition
A large green caterpillar, the larval stage of the Carolina sphinx moth (Manduca sexta), that feeds on tobacco and other plants in the nightshade family.
The term commonly refers to both the specific larval pest of tobacco and tomato plants and, by extension, a type of large, destructive caterpillar used in biological and entomological research. In gardening and farming contexts, it symbolizes a significant agricultural pest.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference. The term is used identically in scientific/agricultural contexts in both varieties.
Connotations
Primarily neutral and scientific in both regions. In the UK, it may be less familiar to the general public due to less tobacco farming.
Frequency
Slightly higher frequency in American English due to greater prevalence of tobacco and tomato cultivation where it is a common pest.
Grammar
How to Use “tobacco hornworm” in a Sentence
[The/An] tobacco hornworm [verb e.g., feeds on, damages, infests] [noun phrase e.g., the plants, the leaves].[Subject] [verb e.g., identified, removed, studied] [a/the] tobacco hornworm.Vocabulary
Collocations
Examples
Examples of “tobacco hornworm” in a Sentence
verb
British English
- The plants were badly tobacco-hornwormed last season. (Rare/constructed)
American English
- The field got completely tobacco-hornwormed. (Rare/constructed)
adverb
British English
- (No standard adverbial use)
American English
- (No standard adverbial use)
adjective
British English
- We face a severe tobacco-hornworm problem. (Compound adjective use)
American English
- The tobacco-hornworm infestation was extensive. (Compound adjective use)
Usage
Meaning in Context
Business
Rare, except in agricultural supply or pest control industries.
Academic
Common in entomology, agriculture, and biological research papers.
Everyday
Used by gardeners and farmers when discussing pests; otherwise uncommon.
Technical
The primary register. Used in agricultural extensions, entomology guides, and research contexts.
Vocabulary
Synonyms of “tobacco hornworm”
Strong
Neutral
Weak
Vocabulary
Antonyms of “tobacco hornworm”
Watch out
Common Mistakes When Using “tobacco hornworm”
- Confusing it with the 'tomato hornworm' (a different Manduca species).
- Using 'tobacco worm' as a shorter form, which is less precise.
- Misspelling as 'tobaco hornworm' or 'tobacco horn worm'.
FAQ
Frequently Asked Questions
No, they are closely related but different species. The tobacco hornworm (Manduca sexta) has seven diagonal white lines and a red horn. The tomato hornworm (Manduca quinquemaculata) has eight V-shaped markings and a black horn.
No, they are not poisonous to humans. However, they can accumulate toxins from their host plants, making them unpalatable to some predators.
Natural predators include birds, parasitic wasps (especially braconid wasps), and some insects like ladybug larvae. Chickens will also eat them.
Yes, you can handle them safely. They may try to bite if provoked, but their mandibles are not strong enough to break human skin.
A large green caterpillar, the larval stage of the Carolina sphinx moth (Manduca sexta), that feeds on tobacco and other plants in the nightshade family.
Tobacco hornworm is usually technical / scientific / agricultural in register.
Tobacco hornworm: in British English it is pronounced /təˈbæk.əʊ ˈhɔːn.wɜːm/, and in American English it is pronounced /təˈbæk.oʊ ˈhɔːrn.wɝːm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. The term is purely technical.”
Learning
Memory Aids
Mnemonic
Think of a horn on its rear end, worming its way through a tobacco field.
Conceptual Metaphor
PEST AS INVADER / DESTROYER OF VALUE (the caterpillar is an enemy in the garden/farm narrative).
Practice
Quiz
What is the primary host plant for the tobacco hornworm?