Macugonalia leucomelas (Walker)

(Fig 1h)

Distribution. Argentina (Young 1977): Misiones (Remes Lenicov et al. 1999). New records: Jujuy (Los Manantiales, Yuto), Salta (Orán, Tartagal, Urundel, Yatasto, Pocitos), Tucumán (Lules), Corrientes (Santo Tomé).

Associated plants. Citrus sinensis (L.) Osb. (Remes Lenicov et al. 1999). New records: Citrus x limon (L.) Burmeister, Bauhinia candicans Benth. (Fabaceae) .

Biological data. M. leucomelas was recorded in low numbers on citrus orchards in Misiones province associated with citrus plants and surrounding vegetation (Remes Lenicov et al. 1999).

Natural enemies. Hymenoptera Dryinidae (Remes Lenicov et al. 1999) .

Phytosanitary importance. Confirmed vector of X. fastidiosa subsp. pauca to plants of Citrus sinensis (L.) Osb. with 17.3% transmission efficiency (Fundecitrus 1999) and to Olea europea L. (Lopes & Froza 2021).