A living guide to Kauaʻi
Insects, Spiders & Relatives of Kauaʻi
Explore the island’s native and introduced species, habitats, watersheds and conservation work. Each record connects its description, images and sources with the interactive Atlas.
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Megalagrion adytum
Megalagrion adytum
Megalagrion adytum is classified as a seep breeder with lance-shaped larval gills.
Megalagrion orobates
Megalagrion orobates
Megalagrion orobates has leaf-like larval gills and is classified as a standing-water breeder.
Giant Hawaiian Dragonfly
Anax strenuus
Anax strenuus is the endemic Hawaiian giant darner, one of the archipelago’s largest native insects, with a wingspan reaching about 14 cm.
Fabulous Green Sphinx of Kauai
Tinostoma smaragditis
Tinostoma smaragditis is the distinctive green sphinx moth known only from Kauaʻi.
Omiodes monogramma
Omiodes monogramma
Omiodes monogramma is a native leafroller included in the Hawaiian parasitoid study that sampled Kauaʻi.
Omiodes accepta
Omiodes accepta
Omiodes accepta is the native Hawaiian sugarcane leafroller, an example of a native insect expanding onto an introduced crop.
Omiodes antidoxa
Omiodes antidoxa
Omiodes antidoxa was among the endemic leafrollers reared in the Hawaiian parasitoid study.
Dictyophorodelphax zwaluwenburgi vicar
Dictyophorodelphax zwaluwenburgi vicar
Dictyophorodelphax zwaluwenburgi vicar was described from the Hāʻupu range, where its type series occupied a steep, sunny, dry slope at about 250 m.
Acrophasmus immigrans
Acrophasmus immigrans
Acrophasmus immigrans is an accidentally introduced braconid wasp.
Apanteles trifasciatus
Apanteles trifasciatus
Apanteles trifasciatus develops as a parasitoid of small moth caterpillars.
Bracon mellitor
Bracon mellitor
Bracon mellitor is a parasitoid of caterpillars associated with stored products.
Bracon swezeyi
Bracon swezeyi
Bracon swezeyi attacks larvae of small moths.
Heterospilus baeticatus
Heterospilus baeticatus
Heterospilus baeticatus is a parasitoid of wood-boring beetle larvae.
Macrocentrus calacte
Macrocentrus calacte
Macrocentrus calacte is an introduced braconid represented by specimens from the Kalalau Trail and Kōkeʻe.
Psyttalia incisi
Psyttalia incisi
Psyttalia incisi was deliberately introduced as a parasitoid of tephritid fruit-fly larvae.
Spathius prusias
Spathius prusias
Spathius prusias is an introduced parasitoid associated with anthribid beetle larvae.
Helorus ruficornis
Helorus ruficornis
Helorus ruficornis is a parasitoid of green-lacewing larvae.
Barichneumon californicus
Barichneumon californicus
Barichneumon californicus is an accidentally introduced ichneumon wasp, with published Hawaiian records including Kauaʻi and Oʻahu.
Casinaria infesta
Casinaria infesta
Casinaria infesta is a parasitoid of pyralid moth caterpillars and an accidental introduction to Hawaiʻi.
Diadegma pattoni
Diadegma pattoni
Diadegma pattoni is an accidentally introduced ichneumon wasp recorded from Kauaʻi and several other main islands.
Diplazon laetatorius
Diplazon laetatorius
Diplazon laetatorius is a parasitoid of hoverfly larvae that themselves feed on aphids.
Eriborus sinicus
Eriborus sinicus
Eriborus sinicus was intentionally introduced against the rice borer.
Gelis tenellus
Gelis tenellus
Gelis tenellus is associated with cocoons of other insects, including parasitoid wasps and lacewings.
Megastylus flavopictus
Megastylus flavopictus
Megastylus flavopictus is a parasitoid of mycetophilid fungus-gnat larvae.
Pachysomoides stupidus
Pachysomoides stupidus
Pachysomoides stupidus develops as a parasitoid of paper-wasp larvae in the genus Polistes.
Pristomerus spinator
Pristomerus spinator
Pristomerus spinator was deliberately introduced to Hawaiʻi against armyworms.
Spilichneumon superbus
Spilichneumon superbus
Spilichneumon superbus was deliberately introduced against armyworms and appears in older Hawaiian literature as Amblyteles koebelei.
Tromatobia ovivora
Tromatobia ovivora
Tromatobia ovivora has larvae that consume spider eggs inside egg sacs.
Chalybion bengalense
Chalybion bengalense
Chalybion bengalense is a spider-hunting wasp documented on Kauaʻi.
Campsicnemus nigricollis
Campsicnemus nigricollis
Campsicnemus nigricollis belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus plautinus
Campsicnemus plautinus
Campsicnemus plautinus belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus hispidipes
Campsicnemus hispidipes
Campsicnemus hispidipes belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus insuetus
Campsicnemus insuetus
Campsicnemus insuetus is a small long-legged fly with striking modifications of the male middle leg, including a swollen tibial region and a projecting, hair-bearing structure.
Campsicnemus norops
Campsicnemus norops
Campsicnemus norops belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus pherocteis
Campsicnemus pherocteis
Campsicnemus pherocteis belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus platystylatus
Campsicnemus platystylatus
Campsicnemus platystylatus belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus amana
Campsicnemus amana
Campsicnemus amana belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus asterisk
Campsicnemus asterisk
Campsicnemus asterisk belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus keokeo
Campsicnemus keokeo
Campsicnemus keokeo belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus kuku
Campsicnemus kuku
Campsicnemus kuku belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus lawakua
Campsicnemus lawakua
Campsicnemus lawakua belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus lipothrix
Campsicnemus lipothrix
Campsicnemus lipothrix belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus longitarsus
Campsicnemus longitarsus
Campsicnemus longitarsus belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus makua
Campsicnemus makua
Campsicnemus makua belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus manaka
Campsicnemus manaka
Campsicnemus manaka belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus neoplatystylatus
Campsicnemus neoplatystylatus
Campsicnemus neoplatystylatus belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus panini
Campsicnemus panini
Campsicnemus panini belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus pe
Campsicnemus pe
Campsicnemus pe belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus penicillatoides
Campsicnemus penicillatoides
Campsicnemus penicillatoides belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus polhemusi
Campsicnemus polhemusi
Campsicnemus polhemusi belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus puali
Campsicnemus puali
Campsicnemus puali belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus spuh
Campsicnemus spuh
Campsicnemus spuh belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus uha
Campsicnemus uha
Campsicnemus uha belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus unu
Campsicnemus unu
Campsicnemus unu belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus waialealeensis
Campsicnemus waialealeensis
Campsicnemus waialealeensis belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus maukele
Campsicnemus maukele
Campsicnemus maukele was described from a male collected by fogging mossy logs and trunks near the Waiʻaleʻale summit, in the Wainiha headwaters.
Campsicnemus ui
Campsicnemus ui
Campsicnemus ui belongs to Dolichopodidae in the order Diptera. Its recorded origin status is endemic — kauaʻi.
Campsicnemus pulumi
Campsicnemus pulumi
Campsicnemus pulumi was described in 2019 from a male collected by fogging a mossy ʻōhiʻa log beside Koaiʻe Stream at about 1,128 m.
Nesogonia blackburni
Nesogonia blackburni
Nesogonia blackburni is an endemic Hawaiian dragonfly.
Ischnura posita
Ischnura posita
Ischnura posita, the fragile forktail, was first recorded in Hawaiʻi in a Punahou lily pond in 1936.
