| Graphelmis ceylonica | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Elmidae |
| Genus: | Graphelmis |
| Species: | G. ceylonica |
| Binomial name | |
| Graphelmis ceylonica (Motschulsky, 1860) | |
| Synonyms | |
| |
Graphelmis ceylonica is a species of riffle beetle found in Sri Lanka. [1] [2] [3]
This elongate, yellowish beetle has a typical length of about 2.29 to 2.60 mm in the male and about 2.41 to 2.65 mm in the female. [4]
The Liwagu River is a river in West Coast Division of Sabah, Malaysia, flowing eastwards off the southern slope of Mount Kinabalu into the Labuk River in Sandakan Division. Most parts of the river are covered by primary and secondary forests.
Elmidae, commonly known as riffle beetles, is a family of beetles in the superfamily Byrrhoidea described by John Curtis in 1830. Both adults and larvae are usually aquatic, living under rocks in fast-flowing shallow areas of streams, such as riffles, feeding on algae and biofilms. There are more than 150 genera and 1,500 described species in Elmidae. The oldest record of the group is Cretohypsilara from the Cenomanian aged Burmese amber.
Bryelmis is a genus of riffle beetles in the family Elmidae. There are at least three described species in Bryelmis.
Oulimnius is a genus of riffle beetles in the family Elmidae. There are about 15 described species in Oulimnius.
Hexacylloepus is a genus of riffle beetles in the family Elmidae. There are about 19 described species in Hexacylloepus.
Gonielmis is a genus of riffle beetles in the family Elmidae. There is one described species in Gonielmis, G. dietrichi.
Optioservus seriatus is a species of riffle beetle in the family Elmidae. It is found in North America.
Phanocerus is a genus of riffle beetles in the family Elmidae. There are about seven described species in Phanocerus.
Ordobrevia is a genus of riffle beetles in the family Elmidae. There are about 11 described species in Ordobrevia.
Zaitzevia is a genus of riffle beetles in the family Elmidae. There are about 19 described species in Zaitzevia. The genus is named after the Russian entomologist Filipp Zaitsev.
Neocylloepus is a genus of riffle beetles in the family Elmidae. There are about eight described species in Neocylloepus.
Atractelmis is a genus of riffle beetles in the family Elmidae. There is one described species in Atractelmis, A. wawona.
Optioservus fastiditus is a species of riffle beetle in the family Elmidae. It is found in North America.
Optioservus quadrimaculatus is a species of riffle beetle in the family Elmidae. It is found in North America.
Ampumixis is a genus of riffle beetles in the family Elmidae. There is one described species in Ampumixis, A. dispar.
Cleptelmis is a genus of riffle beetles in the family Elmidae. There are at least two described species in Cleptelmis.
Huleechius is a genus of riffle beetles in the family Elmidae. There are at least two described species in Huleechius.
Phaeochrous emarginatus, is a species of scavenger scarab beetle found in India, Sri Lanka, Bhutan, China, Taiwan, Japan, Laos, Myanmar, Thailand, Malaysia, Vietnam, Indonesia, Philippines, New Guinea, Ryukyu Archipelago, and Australia.
Ancyronyx jaechi is a species of riffle beetle found in Sri Lanka.
Hydrovatus subtilis, is a species of predaceous diving beetle found in India, Andaman & Nicobar Islands, Sri Lanka, Indonesia, Japan, Laos, Malaysia, and Thailand.
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