名詞 gregarine:

1. vermiform protozoans parasitic in insects and other invertebrates

greg.a.rine

n.（名詞）
Any of various sporozoan protozoans of the order Gregarinida that are parasitic within the digestive tracts of various invertebrates including arthropods and annelids.
簇蟲：任一種簇蟲孢子蟲類的原生動物，寄生于各類無脊椎動物，包括節(jié)肢動物和環(huán)節(jié)動物的消化道內
adj.（形容詞）
Of or belonging to the order Gregarinida.
簇蟲（目）的：與簇蟲或簇蟲目有關的

來源：
From New Latin Gregarona [type genus]
源自 現(xiàn)代拉丁語 Gregarona [類，屬]
from Latin greg3rius [belonging to a flock] * see gregarious
源自 拉丁語 greg3rius [屬于一群的] *參見 gregarious

【引伸】
greg.arin.ian