References for species Mesabolivar difficilis (Mello-Leitao, 1918)

Species Reference Comment Distribution
Physocyclus difficile Mello-Leitao 1918c: 112, f. 28-29
(PDF not available.)  (Df). Brazil
Mesabolivar difficilis Huber 2000: 235, f. 924-933
  (Tf from Physocyclus, Dm).  
None noted here.
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