Hyptiogastrites electrinusCockerell, 1917, from Myanmar (Burmese) amber: Redescription and its placement within the Evanioidea (Insecta: Hymenoptera)

A new species of Pristaulacus Kieffer (Hymenoptera: Aulacidae) from Baltic amber

“…Aulacidae are also known from fossils, with some 36 described species (Basibuyuk et al 2002 ;Nel et al 2004 ;Jennings et al 2004b ;Zhang & Rasnitsyn 2007 ). Approximately half of these species are from the Cenozoic, with records from the Upper Eocene of the Isle of Wight and Baltic amber, Lower Eocene Paris basin amber, and from the Oligocene of North America .…”

“…Approximately half of these species are from the Cenozoic, with records from the Upper Eocene of the Isle of Wight and Baltic amber, Lower Eocene Paris basin amber, and from the Oligocene of North America . As well, Hyptiogastrites electrinus Cockerell, from the Lower Cretaceous of Myanmar, is possibly a sister taxon to Aulacidae (Jennings et al 2004b ), or represents a distinct ancestral lineage of Aulacidae, the Hyptiogastritinae (Engel 2006 ). Th is group is characterized by a distinct occipital carina and hind coxal ovipositor guide, and the absence of fore wing veins 1rs-m, 2rs-m, 2m-cu and a (Jennings et al 2004b ;Engel 2006 ).…”

A new genus and species of Praeaulacidae (Hymenoptera: Evanioidea) from Upper Cretaceous Myanmar amber

“…Recently, study of Myanmar amber has become more active (Zherikhin & Ross, 2000;Grimaldi et al, 2002;Ross et al, 2010;Boucot & Poinar, 2011;Labandeira, 2014). However, to date, only six amber species of this deposit in Evanioidea have been reported: Electrofoenus gracilipes Cockerell, 1917, Hyptiogastrites electrinus Cockerell, 1917, Protofoenus swinhoei ockerell, 1917, Mesevania swinhoei Basibuyuk & Rasnitsyn, 2000, Sorellevania deansi Engel, 2006and Cretevania bechlyi Jennings, Krogmanm & Mew, 2013(Ross & York, 2000Basibuyuk et al, 2000;Engel, 2006;Jennings et al, 2004;Jennings et al, 2013). Based on palynology and ammonoid zonation within the surrounding rock units, and insect taxa preserved within Myanmar amber, age estimates have ranged from Albian to Cenomanian.…”

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“…We utilized six fossil calibration points with each fossil assigned to the crown group for which they belonged (see Fossil Calibrations in Supplementary Material) (Brues, 1933;Nel et al, 2002;Peñalver et al, 2010;Jennings et al, 2004Jennings et al, , 2013Jennings and Krogmann, 2009;Rasnitsyn et al, 1998;Sawoniewicz and Kupryjanowicz, 2003). We performed two separate analyses to examine uncertainty with respect to maximum bounds for clade ages.…”

“…Taxonomic work over the last 20 years, however, including a key to genera (Deans and Huben, 2003), a comprehensive species catalog (Deans, 2005, treating all ca. 500 species), descriptions of fossils (Deans et al, 2004;Jennings et al, 2013Jennings et al, , 2012Jennings et al, , 2004, and updated (Deans and Kawada, 2008) and semantically-enhanced species-level revisions (Balhoff et al, 2013;Mikó et al, 2014) have substantially increased the potential for research on these insects. Deans et al (2006) also published the first phylogeny of the family, which was an attempt to test the historic generic and tribal classifications.…”