This week brings us two specimens that highlight independent yet similar modifications to the abdomen that maximize the length of the ovipositor (the syringe-like structure for inserting eggs into a host).
Idris is a close relative of Baeus, last week's subject, and it also parasitizes spider eggs. The black arrow points to an area known as the "horn" in which part of the ovipositor retracts. This extension will permit a longer ovipositor that, when extended, will reach as many spider eggs as possible in an egg sac. This specimen is from Malaysia.
Synopeas is a member of the subfamily Platygastrinae which parasitizes the eggs and early larvae of gall flies (Cecidomyiidae).This Greek specimen has a modification on the underside of the abdomen in which the retracted ovipositor curls. A longer ovipositor will help Synopeas reach its host inside flowers and plant tissues.
If you have a yard, both of these genera can probably be found there.
Both specimens are ~2.5mm in length.
Idris is a close relative of Baeus, last week's subject, and it also parasitizes spider eggs. The black arrow points to an area known as the "horn" in which part of the ovipositor retracts. This extension will permit a longer ovipositor that, when extended, will reach as many spider eggs as possible in an egg sac. This specimen is from Malaysia.
Synopeas is a member of the subfamily Platygastrinae which parasitizes the eggs and early larvae of gall flies (Cecidomyiidae).This Greek specimen has a modification on the underside of the abdomen in which the retracted ovipositor curls. A longer ovipositor will help Synopeas reach its host inside flowers and plant tissues.
If you have a yard, both of these genera can probably be found there.
Both specimens are ~2.5mm in length.
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