Szkodnik jest tutaj.

A natural approximate pronunciation is:

SHKOHD-neek yest TOO-tie

More precisely:

• sz = English sh
• ko = like ko in core, but shorter
• dnik = roughly d-neek
• jest = yest
• tutaj = TOO-tie

Stress in Polish usually falls on the second-to-last syllable:

• szKODnik
• JEST (one syllable)
• TUtaj

Yes. Szkodnik is a masculine singular noun.

In this sentence, it is in the nominative case, because it is the subject:

• Szkodnik = the pest / the harmful creature / the villain, depending on context

Many Polish nouns ending in a consonant are masculine, and szkodnik follows that pattern.

Polish does not use articles like English a / an / the.

So:

• Szkodnik jest tutaj can mean:
  • A pest is here
  • The pest is here

Which one is intended depends on the context.

Jest is the 3rd person singular form of być (to be).

So:

• jest = is

Because the subject szkodnik is singular, Polish uses jest:

• Szkodnik jest tutaj = The pest is here

Sometimes, yes, especially in casual speech, headlines, or dramatic style. But the full normal sentence is:

• Szkodnik jest tutaj.

Dropping jest can sound more abrupt or colloquial:

• Szkodnik tutaj.

For a learner, it is safest to use jest unless you already have a good feel for when omission sounds natural.

Tutaj means here.

A very common shorter alternative is tu, which also means here:

• Szkodnik jest tutaj.
• Szkodnik jest tu.

Both are correct. In many situations, tu is a bit shorter and more conversational, while tutaj can sound slightly fuller or more emphatic, but the difference is usually small.

Yes, you could say:

• Tutaj jest szkodnik.

Polish word order is more flexible than English. The basic meaning stays similar, but the emphasis changes.

Compare:

• Szkodnik jest tutaj. → emphasis may feel more on the pest
• Tutaj jest szkodnik. → emphasis may feel more on here

Both are grammatical. Polish often uses word order to highlight what is new, important, or contrasted.

Tutaj is an adverb, not a noun, so it does not change for case.

That is why it stays the same:

• tutaj = here

Cases affect nouns, adjectives, pronouns, and some numerals, but not adverbs like tutaj.

Not necessarily.

Szkodnik often means:

• a pest in the literal sense, such as an insect or animal harmful to crops or property

But depending on context, it can also be used more loosely for:

• a troublemaker
• someone harmful or destructive

So it can be literal or figurative.

Only if the speaker wants to say He is here or refer back to someone already known as he.

In your sentence, szkodnik itself is the subject, so no pronoun is needed:

• Szkodnik jest tutaj.

Polish often omits subject pronouns anyway when the verb already makes the person clear. But with a noun subject like szkodnik, a pronoun would usually be unnecessary unless you are adding contrast.

The plural is:

• Szkodniki są tutaj.

Breakdown:

• szkodnik → szkodniki = pests
• jest → są = are
• tutaj stays the same

So:

• Szkodniki są tutaj. = The pests are here / Pests are here

By itself, it is fairly neutral:

• Szkodnik jest tutaj.

But intonation and context can make it sound:

• matter-of-fact
• alarming
• dramatic
• annoyed

For example, in a tense situation it might sound like:

• The pest is here!
• The intruder is here!

So the emotional tone depends mostly on context and voice, not the grammar itself.