Eṣinṣin

Àwọn eṣinṣin jẹ́ kòkòrò ninu ito awon oníyẹ̀ẹ́meji (Diptera; lati ede Griiki di = meji, ati ptera = iye). Iyato won kedere si awon kokoro miran ni esinsin ni iye ifo meji ni aya-arin ati pair of haltere meji, to wa lati iye eyin, ni aya-ikeyin. (Awon irueda esinsin kan yato nitoripe won ko le fo). Awon kokoro miran ti won tun ni iye to unsise ati iru halteres kan ni Strepsiptera, won si yato si awon esinsin nitoripe awon Strepsiptera ni halteres won ni aya-arin ati iye ifo won ni aya-ikeyin.

Aworan iru esinsin orisirisi merindinlogun

Eṣinṣin/Eṣin
Anatomy of a Housefly. I: head; II: thorax III: abdomen. — 1: prescutum; 2: anterior spiracle; 3: scutum; 4: basicosta; 5: calypters; 6: scutellum; 7: wing vein; 8: wing; 9: abdominal segment; 10: haltere; 11: posterior spiracle; 12: femur; 13: tibia; 14: spur; 15: tarsus; 16: propleuron; 17: prosternum; 18: mesopleuron; 19: mesosternum; 20: metapleuron; 21: metasternum; 22: Compound eye; 23: arista; 24: antenna; 25: maxillary palps; 26: labium; 27: labellum; 28:pseudotracheae.
Ìṣètò onísáyẹ́nsì
Ìjọba:	Animalia
Ará:	Arthropoda
Ẹgbẹ́:	Insecta
Subclass:	Pterygota
Infraclass:	Neoptera
Superorder:	Endopterygota
Ìtò:	Diptera Linnaeus, 1758
Suborders
Nematocera (includes Eudiptera) Brachycera