Systematics of Robustagramma, a new genus of New World Sphaeroceridae (Diptera) Author Marshall, Stephen A. Author Cui, Yongsheng text Zootaxa 2005 2005-07-29 1026 1 1 122 https://biotaxa.org/Zootaxa/article/view/zootaxa.1026.1.1 journal article 10.11646/zootaxa.1026.1.1 1175­5334 5049813 3EDC6787-C73B-4969-BA06-022D0532364F Robustagramma robustum group Diagnosis: Wing with second costal sector usually shorter than one­half of third costal sector. Ejaculatory apodeme of male genitalia large, usually over 1/3 as long as aedeagal apodeme. Spermathecae peanut­shaped; paired spermathecae different in shape and size from the single one.