Mesopolobus is a genus of insects belonging to the family Pteromalidae. The genus has cosmopolitan distribution. This genus has a variety of life histories, with the majority of species being parasites of pupae.

Species:

• Mesopolobus adrianae Gijswijt, 1990
• Mesopolobus aeneus (Masi, 1924)
• Mesopolobus aequus (Walker)
• Mesopolobus agropyricola Rosen, 1960
• Mesopolobus aspilus (Walker, 1835)
• Mesopolobus beilingicus Sun & Xiao, 2016
• Mesopolobus equivenae Sun & Xiao, 2016

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