Female Eumecosoma, copyright dguzman58.

Belongs within: Laphriinae.

The Atomosini are a group of small, sparsely haired robber flies.

Characters (from Wood 1981): Small rather bare species, less than 20 mm long, often with punctate mesonotum and abdomen. Antenna blunt apically; first flagellomere either with short bristle arising near middle of dorsal surface, or with stylus at apex. Palpus two-segmented. R2+3 joining R1 proximal to end of R1, cell r1 thus separated from wing margin; crossvein m-cu present, apex of cell bm closed by three veins. Postmetacoxal region with transverse heavily sclerotised bridge with posterodorsal margin V-shaped. Anatergite with bristly pile.

<==Atomosini BT04
    |--Adelodus BT04
    |--Atomosiella antennata W81
    |--Atractimosia filamentosa F09
    |--Bathropsis basalis [incl. B. delgadoi] F09
    |--Dissmeryngodes F09
    |--*Strombocodia elegans F09
    |--Atomosia F09
    |    |--A. puella W81
    |    `--A. tibialis F09
    |--Atoniomyia W81
    |    |--A. ancylocera F09
    |    `--A. duncani W81
    |--Aphestia F09
    |    |--A. annulipes F09
    |    `--A. nigra F09
    |--Aphractia F09
    |    |--A. comata [=Atractia comata] F09
    |    `--A. vivax [=Atractia vivax] F09
    |--Protichisma F09
    |    |--*P. longimana F09
    |    `--P. albibarbis F09
    |--Oidardis F09
    |    |--*O. gibbosa F09
    |    |--O. aenescens F09
    |    |--O. gibbum F09
    |    `--O. signaseta F09
    |--Cerotainia W81
    |    |--C. albipilosa W81
    |    |--C. feminea F09
    |    |--C. macrocera W81
    |    |--C. minima F09
    |    `--C. ornatipes F09
    |--Atractia F09
    |    |--A. (Atractia) [incl. Lophoceraea] F09
    |    |    |--*A. (A.) psilogaster F09
    |    |    |--A. (A.) dispar F09
    |    |    |--A. (A.) marginata F09
    |    |    `--A. (A.) pennata [=*Lophoceraea pennata] F09
    |    `--A. (*Hybozelodes) nigellus F09
    `--Eumecosoma F09
         |--+--*E. pleuriticum F09
         |  `--E. tarsalis F09
         `--+--E. calverti F09
            |--E. componens F09
            |--E. shropshirei F09
            `--E. staurophorum F09

*Type species of generic name indicated


[BT04] Bybee, S. M., S. D. Taylor, C. R. Nelson & M. F. Whiting. 2004. A phylogeny of robber flies (Diptera: Asilidae) at the subfamilial level: molecular evidence. Molecular Phylogenetics and Evolution 30: 789–797.

[F09] Fisher, E. M. 2009. Asilidae (robber flies, assassin flies, moscas cazadoras, moscas ladronas). In: Brown, B. V., A. Borkent, J. M. Cumming, D. M. Wood, N. E. Woodley & M. A. Zumbado (eds) Manual of Central American Diptera vol. 1 pp. 585–632. NRC Research Press: Ottawa.

[W81] Wood, G. C. 1981. Asilidae. In: McAlpine, J. F., B. V. Peterson, G. E. Shewell, H. J. Teskey, J. R. Vockeroth & D. S. Wood (eds) Manual of Nearctic Diptera vol. 1 pp. 549–573. Research Branch, Agriculture Canada.

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