Translation

ha-madara-ka means "Anopheles" in English.

ha-madara-ka is normally written with katakana, as ハマダラカ.
ha-madara-ka written with hiragana is はまだらか.
ha-madara-ka written with kanji is 羽斑蚊.
These are jouyou kanji 常用漢字, taught in junior high, chuugakkou 中学校.
Romaji ha ma da ra ka
Hiragana
Katakana
Kanji
Meaning Wing Spots Mosquito
School Level 小2

Trivia

Synonyms

Scientific name: Anopheles.

Further Reading

Wikipedia: ハマダラカ (Anopheles)