Costalima myrmicola develops in the nests of Azteca ants.
Strongly concave occiput when viewed from above.

Classification: Costalima; Costalima myrmicola
This key has been adapted from Brake (2000).
1. Vibrissa below or at the level of lower margin of eye; head in profile subquadrate; vertical diameter of eye less than 1.5x the horizontal diameter. Frons in male as wide as in female. Wing with subcostal notch seldom evident, never well-developed; R4+5 and M1 not or only slightly converging at tips; distal margin of anal cell (CuA2) usually rounded (if not, then epistoma extended dorsally, subtriangular). Abdominal tergites of male without silvery microtomentum.
Classification: Aldrichiomyza; Borneomyia; Costalima; Desmometopa; Enigmilichia; Eusiphona; Leptometopa; Litometopa; Madiza; Madizinae; Microsimus; Milichia; Milichia distinctipennis; Milichia speciosa; Milichiella; Milichiinae; Neophyllomyza; Paramyia; Pholeomyia; Phyllomyza; Phyllomyzinae; Stomosis; Ulia; Xenophyllomyza; Milichiidae
Summarized from Brake (2000)
The Milichiidae are a monophyletic family (Click here for phylogenetic tree).
Apomorphic characters for the Milichiidae are:
Classification: Aldrichiomyza; Borneomyia; Costalima; Desmometopa; Enigmilichia; Eusiphona; Leptometopa; Leptometopa niveipennis; Litometopa; Madiza; Madizinae; Microsimus; Milichia; Milichia distinctipennis; Milichia speciosa; Milichiella; Milichiella freyi; Milichiella nigeriae nigeriae; Milichiella populi; Milichiella sp. B; Milichiella sp. K; Milichiella tosi; Milichiinae; Neophyllomyza; Paramyia; Paramyioides; Pholeomyia; Pholeomyia nigricosta; Phyllomyza; Phyllomyzinae; Platophrymia; Stomosis; Ulia; Xenophyllomyza; Acartophthalmidae; Australimyzidae; Carnidae; Chloropidae; Milichiidae; Tethinidae
| Year of Publication | Authors | Title | URL |
|---|---|---|---|
| 1953 | Sabrosky, CW | Two new species of Milichiidae, with miscellaneous notes on the family (Diptera) | http://milichiidae.info/sites/milichiidae.info/files/Sabrosky_1953.pdf |
| 1973 | Sabrosky, CW | Family Milichiidae | http://milichiidae.info/sites/milichiidae.info/files/Sabrosky_1973_1.pdf |
| 1990 | Deeming, JC | Aristal reduction and compensation in some acalyptrate Diptera |
| Name as cited | Keywords | Authors | Year | Title | Page | Associated taxa |
|---|---|---|---|---|---|---|
| Costalima | original genus description | Sabrosky, CW | 1953 | Two new species of Milichiidae, with miscellaneous notes on the family (Diptera) | 40 |