New species of Rhopalomyia and Dasineura (Diptera: Cecidomyiidae) associated with Prosopis caldenia Burkart (Fabaceae) in Argentina Author Cornejo, Laura Gabriela Author Molas, Bárbara Mariana Corró Author Kuzmanich, Nicolás Author Martínez, Juan José text Zootaxa 2019 2019-10-30 4691 2 161 170 journal article 25009 10.11646/zootaxa.4691.2.5 2f33a6d3-e394-43fa-9d52-f5afc8b29ef3 1175-5326 3527159 2AFCAA28-EBF1-45F8-8C60-51D2968F05D4 Genus Rhopalomyia Rübsaamen,1892 Rhopalomyia is a worldwide genus of the tribe Oligotrophini , with 267 valid known species, associated almost exclusively with galls on Asteraceae ( Gagné & Jaschhof 2017 ) . Typically, Rhopalomyia species have a reduced number of palpal segments, one or two, but some species have three to four segments; vein C is not interrupted immediately posterior to its juncture with R5; tarsal claws may or not may have basal tooth; in the female the eighth abdominal tergite is undivided longitudinally and the cerci are fused; males with completely setulose gonostyle. Larva with or without spatula.