Parasitic fly - Parasitic fly

…General term for small to medium-sized insects belonging to the Tachinidae family of the Diptera order. They are also called parasitic flies. They are closely related to flies of the Flesh Flies and Calliphoridae families, but in addition to differences in external appearance, they differ in that their larvae are mainly internal parasites of other insects, and the adults do not gather around decaying materials, but live by licking the nectar of flowers and the honeydew excreted by aphids. …

*Here are some explanations of terms that mention "parasitic flies."

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…双翅目ヤドリバエ科Tachinidaeに属する小～中型の昆虫の総称。寄生（きせい）バエともいう。ニクバエ科やクロバエ科のハエに近縁であるが，外部形態の違いのほかに，幼虫が主として他の昆虫の内部寄生者で，成虫も腐食物などには集まらず，花のみつやアブラムシ類の出す甘露（かんろ）をなめて生活する点で異なっている。…

※「寄生バエ（蠅）」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報