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Insects described in 1903

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Oriental rat flea
species of fleas
Petaluridae
The petaltails, also called graybacks, of the family Petaluridae are among the most ancient of the extant true dragonflies (infraorder Anisoptera), having fossil members from as early as the Jurassic, over 150 million years ago. A 2024 molecular phylogeny found that the petaltails comprise two clades, a Gondwanan clade and a Laurasian clade. Their divergence time was estimated at 160 million years ago.
Macromiidae
Macromiidae is a family of dragonflies. The family contains species known as cruisers or skimmers. They are known to fly over bodies of water and roads. They are similar to Aeshnidae in size, but with green eyes that barely meet at the top of their head.
Epiophlebia
Epiophlebia is a genus of damsel-dragonfly native to the Indian subcontinent, East Asia, and Southeast Asia. It is the only living genus of Odonata to be neither a dragonfly nor a damselfly. It is the sole member of the family Epiophlebiidae, which is itself the sole living representative of the infraorder Epiophlebioptera. It was historically regarded and is still often regarded by neontologists as being of the suborder "Anisozygoptera", but the traditional classification of this group including fossil species has been shown to be an unnatural paraphyletic assemblage.
Azuragrion granti
species of insect
Megachile campanulae
species of bee in the Megachilidae family
Enallagma daeckii
species of insect
Chlorogomphidae
The Chlorogomphidae are a family of Odonata (dragonflies) from the suborder Anisoptera, native to Asia.
black and gold bumblebee
species of insect
Lasioglossum fratellum
species of insect
Protoneura cara
species of insect
Solenopsis nitens
species of insect
Lasioglossum cupromicans
species of insect
scarlet-tailed bumble bee
species of insect
Lasioglossum petrellum
species of insect
Ischnura barberi
species of insect
Somatochlora provocans
species of insect
Andrena semilaevis
species of insect
Aenictus grandis
species of insect
Tapinoma andamanense
species of insect
Myrmica schencki
species of ant
Formica neogagates
species of insect
Anopheles barberi
species of insect
Pheidole inquilina
species of ant
Huonia
Huonia is a genus of dragonfly in the family Libellulidae. Species of this genus are found in Indonesia, New Guinea and Australia.
Dorymyrmex baeri
species of insect
Ceratophyllus rusticus
species of insect
Neoneura amelia
species of insect
Nomada vegana
species of insect
Andrena milwaukeensis
miner bee species in the family Andrenidae
Neoneura aaroni
species of insect
Triepeolus simplex
species of insect
Formica densiventris
species of insect
Camponotus texanus
species of insect
Formica oreas
species of insect
Melipona seminigra
species of insect
Eucorethra underwoodi
species of insect
Trachymyrmex turrifex
species of insect
Dolichoderus burmanicus
species of insect
Anopheles karwari
species of insect
Coenosia attenuata
species of insect
Nomada sphaerogaster
species of insect
Eusynthemis
Eusynthemis is a genus of dragonflies in the family Synthemistidae. They are commonly known as tigertails. Species of this genus are found mostly in Australia with one species, Eusynthemis frontalis, found in the Solomon Islands.
Plebeia remota
species of insect
Palaemnema domina
species of insect
Anopheles elegans
species of insect
Agapostemon coloradinus
species of insect
Pheidole barreleti
species of ant
Dolichoderus spurius
species of insect
Anopheles aitkenii
species of insect
Ptilothrix relata
species of insect
Dolichoderus ferrugineus
species of insect
Atomosia sayii
species of insect
Neohermes filicornis
species of insect
Neohermes concolor
species of insect
Nomada hemphilli
species of insect
Alastor antigae
species of wasp
Lasius subumbratus
species of insect
Oecanthus forbesi
species of insect
Sphex nudus
species of insect