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A Probable Pollination Mode Before Angiosperms: Eurasian, Long-Proboscid Scorpionflies
TLDR
The presence of scorpionfly taxa suggests that siphonate proboscides fed on gymnosperm pollination drops and likely engaged in pollination mutualisms with gymnosperms during the mid-Mesozoic, long before the similar and independent coevolution of nectar-feeding flies, moths, and beetles on angiosperms.
Ancient pinnate leaf mimesis among lacewings
TLDR
Evidence of pinnate leaf mimesis is reported in two lacewings (Neuroptera) from the Middle Jurassic, representing a 165-million-year-old specialization between insects and contemporaneous gymnosperms of the Cycadales or Bennettitales.
New archisargids from China (Insecta: Diptera)
TLDR
Two new species of the genus Mesosolva Hong, 1983 and a new genus Brevisolva gen. nov, represented by a new species belonging to the Archisargidae, are described from the Middle Jurassic deposits of Daohugou, Inner Mongolia.
Mesozoic lacewings from China provide phylogenetic insight into evolution of the Kalligrammatidae (Neuroptera)
TLDR
This work describes three new subfamilies, four new genera, twelve new species and four unassigned species from the late Middle Jurassic Jiulongshan and mid Early Cretaceous Yixian Formations of China, suggesting that eastern Eurasia likely was an important diversification center for the Kalligrammatidae.
Maternal care by Early Cretaceous cockroaches
TLDR
It is inferred that the cockroach reproductive mode using the complete oothecate structure occurred during or before the mid Early Cretaceous, and a new life-history trait providing maternal protection and care may have been a key factor in the subsequent evolutionary diversification and ecological expansion of modern cockroach lineages.
Morphology, Phylogeny, Evolution, and Dispersal of Pelecinid Wasps (Hymenoptera: Pelecinidae) Over 165 Million Years
ABSTRACT Large female pelecinid wasps, elegant and beautiful with uniquely elongated metasoma, are found only in North, Central, and South America. These distinctive wasps are “living fossils” in a
A golden orb-weaver spider (Araneae: Nephilidae: Nephila) from the Middle Jurassic of China
Nephila are large, conspicuous weavers of orb webs composed of golden silk, in tropical and subtropical regions. Nephilids have a sparse fossil record, the oldest described hitherto being Cretaraneus
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