• New insect fossils, including the earliest definite
caddisfly cases,
water boatmen, diverse
polyphagan beetles and
scorpionflies, are reported from the
Triassic (
Ladinian and
Carnian) deposits of
China by Zheng
et al. (2018). • Insect and plant inclusions are reported from amber from the uppermost
Campanian Kabaw Formation of Tilin (
Myanmar) by Zheng
et al. (2018). •
Taphonomic study aiming to determine whether decay and
preservation potential of insects in amber, and therefore bias in the amber fossil record, is affected by resin-type, dehydration prior to entombment, and the composition of the gut microbiota, is published by McCoy
et al. (2018). • A study on the evolution of insects as indicated by the
morphological diversity of their mouthparts is published by Nel, Bertrand & Nel (2018). • A study on the atmospheric oxygen levels through the
Phanerozoic, evaluating whether
Romer's gap and
the concurrent gap in the fossil record of insects were caused by low oxygen levels, is published by Schachat
et al. (2018). • Reevaluation of the
Jurassic ichnospecies Lunulipes obscurus is published by Getty & Loeb (2018), who interpret these trackways as most likely to be produced by a
water boatman or an unknown insect that employed a similar method of swimming. • An ellipsoidal chamber composed of a thin organic layer, interpreted as a likely insect cocoon or pupation chamber, is described from the
Lower Cretaceous Jinju Formation (
South Korea) by Lee (2018). • A study on the body size of soil-dwelling insects across the
Cretaceous-
Paleogene boundary, inferred from burrows from the
Big Bend National Park (
Texas,
United States) which were likely produced by beetle larvae or cicada nymphs, is published by Wiest
et al. (2018). • A study on the impact of sampling standardization, or lack thereof, on comparisons of insect herbivory from two Lower Permian localities in
Texas is published by Schachat, Labandeira & Maccracken (2018). • A study on the diversity, frequency and representation of insect damage of fossil plant specimens from the
Permian La Golondrina Formation (
Argentina) is published by Cariglino (2018). • A study on the insect herbivory on fossil
ginkgoalean and
bennettitalean leaves from the
Middle Jurassic Daohugou Beds (
China), and on
defenses of these plants against insect herbivory, is published by Na
et al. (2018). • A study on the plant–insect interactions in the European forest plant communities in the Upper
Pliocene Lagerstätte of
Willershausen (
Lower Saxony,
Germany), the Upper Pliocene locality of Berga (
Thuringia, Germany) and the
Pleistocene locality of Bernasso (
France) is published by Adroit
et al. (2018). • Description and analysis of insect borings on
hadrosaur bones from the late
Campanian Cerro del Pueblo Formation (
Mexico) is published by Serrano-Brañas, Espinosa-Chávez & Maccracken (2018), who name a new
ichnospecies Cubiculum atsintli. • Insect trace fossils collected from the
Pliocene deposits at
Laetoli (
Tanzania) are described by Genise & Harrison (2018), who name new
ichnotaxa Celliforma ritchiei,
Laetolichnus kwekai and
Teisseirei linguatus. • Trace fossil produced by a wingless jumping insect belonging to the order
Monura is described from the lower
Permian of Southern Alps (
Italy) by Bernardi, Marchetti & Gobbi (2018). • A study on the
venation in the forewing of the
Triassic odonatopteran
Zygophlebia tongchuanensis and extant dragonfly
Aeshna isoceles is published by Jacquelin
et al. (2018). • Redescription of the
meganeurid species
Meganeurites gracilipes is published by Nel
et al. (2018), who interpret this species as unlikely to have lived in densely forested environments, and more likely to be an open-space,
ecotone or
riparian forest predator, hunting in a way similar to extant
hawkers. • A study on the phylogenetic relationships of an Early Cretaceous
plecopteran
"Rasnitsyrina" culonga Sinitshenkova (2011) is published by Cui, Toussaint & Béthoux (2018). • A female specimen of the plecopteran genus
Podmosta, distinguished from other
Podmosta females by the "rabbit-shaped"
sclerite on
sternum 8, is described from the
Lithuanian
Baltic amber by Chen (2018). • A study on the structure of the wing base of the
spilapterid palaeodictyopteran
Dunbaria is published by Prokop
et al. (2018). • A study on the
morphology of
ovipositors of different fossil
dictyopterans, on their possible reproductive strategies and on the evolution of the reproductive strategies within Dictyoptera is published by Hörnig
et al. (2018). • Cui, Evangelista & Béthoux (2018) reinterpret putative fossil
mantis Prochaeradodis enigmaticus as more likely to be a
cockroach belonging to the family
Blaberidae. • A revision of the
hymenopteran fauna from the collection of the Cretaceous Burmese amber at the Nanjing Institute of Geology and Palaeontology (Chinese Academy of Sciences) is published by Zhang
et al. (2018). • An overview of the
Eocene (
Ypresian) hymenopteran assemblage of the
Okanagan Highlands of
British Columbia (
Canada) and
Washington (
United States) is published by Archibald
et al. (2018). • A female of
Dryinus janzeni is described from the Eocene
Rovno amber (
Ukraine) by Perkovsky & Olmi (2018), representing the first record of the
dryinid genus
Dryinus from Rovno amber. • A study on the shape of the wing and the
venational structures of the
Eocene giant ants, including members of the genus
Titanomyrma, evaluating the possibilities of determining species and sex of individual specimens with the use of geometric
morphometrics, is published by Katzke
et al. (2018). • Fossil ant species
Eocenomyrma rugosostriata is reported for the first time from the
Eocene Rovno amber by Radchenko & Perkovsky (2018). • A redescription of the Cretaceous
nevrorthid species
Cretarophalis patrickmuelleri is published by Lu
et al. (2018). • A redescription of the Cretaceous
psychopsid species
Grammapsychops lebedevi is published by Makarkin (2018). • The first definite
Mesozoic strepsipteran primary
larva is reported from the
Cretaceous amber from
Myanmar by Pohl
et al. (2018). • A study on the phylogenetic relationships of the fossil
rove beetles
Cretodeinopsis and
Electrogymnusa is published by Yamamoto & Maruyama (2018), who also describe new fossil material of
Cretodeinopsis and
Electrogymnusa. • Remains of fossil nests of
dung beetles, recorded in four formations of the Cenozoic of South America, are described by Cantil
et al. (2018). • A study on the phylogenetic placement of the fossil beetle
"Spondylis" florissantensis is published by Vitali (2018), who transfers this species to the genus
Neandra. • The cosmopolitan beetle
Necrobia violacea, formerly thought to be introduced to the New World through European trade, is reported from the
La Brea Tar Pits by Holden, Barclay & Angus (2018). • A study on the
lepidopteran scales from the
Triassic-
Jurassic transition (
Rhaetian-
Hettangian) of
Germany and their implications for inferring the timing of the radiation of lepidopteran lineages is published by van Eldijk
et al. (2018). • A study on the architecture of
scales of
Jurassic lepidopterans from the
United Kingdom,
Germany,
Kazakhstan and
China, and of
tarachopterans from the
Cretaceous amber from
Myanmar, is published by Zhang
et al. (2018). • A study on the
macroevolutionary responses of
noctuid moths from the group
Sesamiina and their associated host-
grasses to environmental changes during the
Neogene is published by Kergoat
et al. (2018). • A study on the anatomy of the digestive system of
Saurophthirus longipes is published by Rasnitsyn & Strelnikova (2018). • Mecopteran species
"Orthophlebia" martynovae from the
Lower Jurassic of
Siberia (
Russia) is transferred to the family
Austropanorpidae and to the genus
Austropanorpa by Krzemiński
et al. (2018). • Revision of the original type material and description of new fossils of the mecopteran species
Chorista sobrina and
Austropanorpa australis from the
Paleogene Redbank Plains Formation (
Australia) is published by Lambkin (2018). • Redescription of known members of the
peloropeodine genus
Palaeomedeterus from
Baltic amber is published by Grichanov & Negrobov (2018), who provide a key to species of
Palaeomedeterus from Baltic amber. • A study on changes in
insect biodiversity in terms of the number of families throughout the history of the group is published by Dmitriev
et al. (2018). ==References==