at each instar

USAGE SUMMARY

The phrase "at each instar" is correct and usable in written English.
It is typically used in biological contexts to refer to the developmental stages of insects, particularly during their larval phase. Example: "The caterpillar grows significantly at each instar, shedding its skin multiple times before becoming a butterfly."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

Larval samples were collected at each instar, and pooled to generate early (I and II instars) and late (III and IV instars) larvae as listed in each figure.

BMC Genomics

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Wing discs were dissected at third instar larva, for each genotype, more than 200 discs were collected and total RNA was isolated using TRIzol (Invitrogen, Carlsbad, CA, USA).

Cell Death and Disease

Complementation crosses of l(2)49Fb, l(2)49Fb and dSpt1 JO8 to each other were lethal at first instar, confirming our dSpt1 l(2 SH1626 allele as an dSpt1 hypomorph.

Human Molecular Genetics

The majority of miRNAs are significantly up-regulated as the ecdysone synthesis rate rises at the end of each larval instar.

BMC Genomics

We induced somatic mosaicism at first instar larvae.

Plosone

Induction of AeSCP-2 siRNA expression in early instar resulted in lower fecundity than that of AeSCP-2 siRNA expression induced in late instar (Table 3, eggs/F, induced siRNA at 2nd instar vs. at 4th instar).

Plosone

We found that adults that developed from larvae trained at fifth instar recalled their larval experience, whereas those that were trained at third instar did not.

Plosone

larval mortality (Table 2, started at 2nd instar, Total mortality/larvae).

Plosone

However, larvae carrying the "null" mutations Mad10 and Mad12 are perfectly segmented and die at third instar [13].

Plosone

Similarly, mutant flies for SPS1 do not contain selenoproteins and are lethal at third instar larvae [17].

Plosone

Larval brains were dissected at third instar stage and stained with the neuronal marker elav (Figure S2A).

Plosone

Expert writing Tips

Best practice

When describing biological processes involving insect development, use "at each instar" to clearly indicate observations or actions taken during specific larval stages. This ensures precision and avoids ambiguity regarding the timing of events.

Common error

Avoid using "at each instar" when referring to developmental stages outside of insects or arthropods. The term 'instar' is specific to these organisms, so using it in other contexts can lead to confusion.

Linguistic Context

The phrase "at each instar" functions as a prepositional phrase, specifying the time or stage at which an event or observation occurs. As Ludwig AI indicates, this is common in biological contexts.

Expression frequency: Rare

Frequent in

Science

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News & Media

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Formal & Business

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Less common in

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Encyclopedias

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Ludwig's WRAP-UP

In summary, the phrase "at each instar" is a prepositional phrase primarily used in scientific contexts to denote specific larval stages in insect development. As Ludwig AI confirms, it's grammatically correct and its purpose is to add temporal clarity to observations or actions taken during these stages. While used infrequently, its meaning is clear and unambiguous within its relevant scientific domain. Related phrases like "during each instar" offer similar meanings. It is important to note that the term 'instar' is specific to insect or arthropod development and using it in other contexts may be inappropriate.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

at every instar

Changes 'each' to 'every', emphasizing the occurrence at all instar stages.

during each instar

Replaces 'at' with 'during' focusing on the time spent within each instar.

in each instar stage

Adds 'stage' for emphasis, slightly more verbose but clarifies the context.

for each instar

Uses 'for' to indicate that something is done specifically with respect to each instar.

with each instar

Emphasizes a concurrent relationship or progression alongside each instar.

at different instar phases

Substitutes 'phases' for 'instar', broadening the scope slightly.

across all instar stages

Uses 'across' to cover all instar stages, implying a comprehensive view.

throughout each instar

Focuses on a continuous action happening from the beginning to the end of each instar.

at various instar levels

Replaces 'each' with 'various' implying consideration of several instar stages.

at specific instars

Shifts focus to selected instar stages instead of all of them.

FAQs

How is "at each instar" used in scientific writing?

In scientific writing, "at each instar" is used to specify that observations, measurements, or experiments were conducted during each larval stage of an insect's development. It provides clarity about when data was collected or actions were performed.

What is the difference between "at each instar" and "at each stage"?

"At each instar" is specific to the larval developmental phases of insects, while "at each stage" is a more general term applicable to any process with distinct phases. Using "at each instar" implies that you are specifically discussing insect development.

Can I use "during each instar" instead of "at each instar"?

Yes, "during each instar" is a suitable alternative to "at each instar". Both phrases convey the idea that something occurs within the specified larval stage. The choice depends on the specific nuance you want to express, with "during" emphasizing the duration of the stage.

Is it correct to say "in each instar"?

While not as common as "at each instar" or "during each instar", "in each instar" can be grammatically correct depending on the context. It generally implies that something exists or is present within each specific instar stage.