Gregorio Grigorievich Bondar, Ukrainian-born Brazilian agronomist (Zolotonosha District, Poltava Governorate, Ukraine 18 November 1881 – Salvador 20 February 1959)

Authored over 200 scientific works

DESCRIBED  

At least 12 new species of plants of family Arecaceae

Nearly 400 new Insecta species

35 Genera and nearly 300 species of Coleoptera

11 Genera of Hemiptera

2 Genera of Thysanoptera  

PHYTOPATHOLOGY

Discovered cassava bacterial blight

Uma nova doença bacteriana das hastes da mandioca. Chácaras e Quintais 5(4):15-18, 1912.

Described Xanthomonas campestris pv. manihotis, causal agent of cassava bacterial blight

Molestia bacteriana da mandioca. Boletim Agricultura 16:513-34, 1915

Discovered target spot

Insetos daninhos e moléstias da laranjeira no Brasil. Bol. Lab.Patol.Veg. Bahia 7:1-79, 1929. 

HONORS

Bondaria Sampson & Drews 1941 (Hemiptera)

Bondariella  Hustache 1942 (Coleoptera)

Bondarius Rosado-Neto 2006 (Coleoptera)

Nearly 50 species bears his name