Any opinion on this book, Diptera of Costa Rica and the New World Tropics, by Manuel A. Zumbado, 2006, ISBN 9968-927-14-7
(http://www.inbio.....phtml?387)
I've also found a different book with the same title, published in 2000, ISBN 9968702323, it was definitely bilingual but 143pp. instead of 272pp. in the new one