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Melittosphecidae

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Journal Article
Published: 01 September 2011
Journal of Paleontology (2011) 85 (5): 882–891.
...Bryan N. Danforth; George O. Poinar, Jr Abstract Melittosphex burmensis (Melittosphecidae) is an important apoid fossil from middle Cretaceous (∼100 Ma) amber from Myanmar (Burma). Melittosphex exhibits a combination of wasp and bee features making it an important transitional form linking bees...
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T able  2. Summary of character states useful for assessing the phylogeneti...
Published: 01 September 2011
T able 2. Summary of character states useful for assessing the phylogenetic affinities of Melittosphecidae.
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F igure  5. Presumed phylogeny and chronological appearance of apoid famili...
Published: 01 September 2011
+ (Melittosphecidae + extant bees): (a) male cerci absent, (b) pygidial plate present ( Melo [1999] lists six additional characters that cannot be seen in the fossil). Node 2 (synapomorphies of Melittosphecidae + extant bees): (a) plumose hairs, (b) posterior strigil absent, (c) mid-femoral/tibial brush for cleaning
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T able  1. Summary of character states useful for diagnosis of Melittosphec...
Published: 01 September 2011
T able 1. Summary of character states useful for diagnosis of Melittosphecidae relative to extant Pemphredoninae and fossil Pemphredoninae from Myanmar. Character states are as follows: (1) number of submarginal cells; (2) intersection of first recurrent vein, 1SM = intersecting first submarginal