List of coleopterans of Sri Lanka

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Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the world. There are about 2 million species of arthropods found in the world, and still it is counting. So many new species are discover up to this time also. So it is very complicated and difficult to summarize the exact number of species found within a certain region.

This a list of the coleopterans found from Sri Lanka.

Beetle

Phylum: Arthropoda
Class: Insecta
Order: Coleoptera

Beetles are a group of insects that form the order Coleoptera. They have two pairs of wings, the front pair, the "elytra", being hardened and thickened into a shell-like protection for the rear pair and the beetle's abdomen. The order contains more species than any other order, constituting almost 25% of all known animal life-forms. About 40% of all described insect species are beetles (about 400,000 species), and new species are discovered frequently. The largest taxonomic family, the Curculionidae (the weevils or snout beetles), also belongs to this order.

The diversity of beetles is very wide-ranging. They are found in almost all types of habitats, but are not known to occur in the sea or in the polar regions. In Sri Lanka, particular beetle families are extensively studied,^[1][2] but some others not at all.^[3] Most of the studies beetles are due to the fact that they are pests for many cultivations.^[4] Numerous works had been done in the 1980s and 1990s by foreign scientists such as Arrow (1910-1931), Franz (1982), Hammond (1972), Hansen (1999), Chatterjee (1924) and Bonadona (1986). The knowledge by local investigators opened in the early 2000s and in 2003, Prof. Dangalle studies heavily on tiger beetles. Then in 2013, Dr. Qader et al. studies beetles in Western province to find their ecological niches and distribution.^[5] Weevils were studied by Prof. Gunawardena since 1993 and predatory Coccinellid beetles were studies by Dr. S Mayadunnage.^[6][7]

According to Channa Bambaradeniya et al., 3,033 species of coleopterans belongs to 115 families^[8] are recorded from Sri Lanka, which comprises the largest animal group in Sri Lanka.^[9]

Family: Anthicidae - Ant-like beetles

Family: Anthribidae - Fungus weevils

Family: Aphodiidae - Aphodiine dung beetles

Family: Attelabidae - Leaf-rolling weevils

Family: Bostrichidae - Auger beetles

• Apate submedia
• Dinoderus ocellaris
• Paraxylion bifer
• Rhyzopertha dominica
• Sinoxylon unidentatum

Family: Bothrideridae - Cocoon-forming beetles

• Dastarcus porosus

Family: Brachyceridae - Tertiary-brachycerid weevils

Family: Brentidae - Straight-snouted weevils

• Cerobates sumatranus
• Cyphagogus westwoodii
• Orychodes planicollis
• Trachelizus bisulcatus

Family: Bupestidae - Jewel beetles

Family: Cantharidae - Soldier beetle

• Maltypus bibilensis
• Maltypus kokagalaensis
• Microichthyurus sublateralis
• Microichthyurus sylvicola
• Silis incisa

Family: Carabidae - Ground beetles

Family: Cerambycidae - Longhorn beetles

Family: Cerylonidae - Minute bark beetles

• Axiocerylon brincki
• Cerylon longicolle
• Cerylon unicolor
• Ectomicrus setosus

Family: Chrysomelidae - Leaf beetles

Family: Cleridae - Checkered beetles

• Tillus notatus

Family: Coccinellidae - Lady beetles

• Harmonia octomaculata
• Platynaspis flavoguttata

Family: Cucujidae - Flat bark beetles

Family: Curculionidae - Snout and Bark bBeetles

Family: Dryopidae - Long-toed water beetles

• Ceradryops punctatus
• Elmomorphus naviculus
• Helichus naviculus

Family: Dytiscidae - Predaceous diving beetles

• Cybister confusus
• Lacconectus spangleri
• Laccophilus wolfei
• Neptosternus ceylonicus
• Neptosternus sinharajaicus

Family: Elateridae - Click beetles

Family: Elmidae - Riffle beetles

Family: Endomychidae - Handsome fungus beetles

Family: Erotylidae - Pleasing fungus beetles

• Microlanguria jansoni

Family: Geotrupidae - Earth-boring dung beetles

• Bolbaffroides carenicollis
• Bolboceras insulare
• Bolbochromus laetus
• Bolbochromus lineatus
• Bolbohamatum meridionale

Family: Gyrinidae - Whirligig beetles

Family: Histeridae - Clown beetles

Family: Hybosoridae - Scavenger scarab beetles

Family: Hydrophilidae - Water scavenger beetles

Family: Lampyridae - Fireflies

• Baolacus ruficeps
• Hyperstoma marginata

Family: Lucanidae - Stag beetles

Family: Lycidae - Net-winged beetles

• Plateros leechi
• Plateros viduus
• Plateros volatus

Family: Lymexylidae - Ship-timber beetles

• Atractocerus emarginatus

Family: Meloidae - Blister beetles

• Hycleus phaleratus
• Mylabris thunbergi
• Sybaris nigrifinis
• Sybaris praeustus
• Sybaris testaceus
• Zonitoschema krombeini

Family: Melolonthidae - White grubs

Family: Nitidulidae - Sap beetles

• Brassicogethes aeneus
• Cyllodes bifascies
• Stelidota multiguttata

Family: Passalidae - Bess beetles

Family: Ptiliidae - Feather-wing beetles

• Acrotrichis discoloroides
• Acrotrichis orientalis

Family: Ptinidae - Spider beetles

• Ptinus brevithorax
• Ptinus nigerrimus

Family: Rhynchitidae - Tooth-nosed snout weevils

Family: Rutelidae - Flower beetles

Family: Salpingidae - Narrow-waisted bark beetles

• Ocholissa bicolor

Family: Scarabaeidae - Scarab beetles

Family: Scydmaenidae - Ant-like stone beetles

• Euconnus intrusus
• Scydmaenus conicollis

Family: Silvanidae - Silvan flat bark beetles

Family: Staphylinidae - Rove beetles

Family: Tenebrionidae - Darkling beetles

Family: Trogidae - Hide beetles

• Omorgus frater
• Omorgus granulatus
• Omorgus inclusus
• Omorgus inermis

Family: Vesperidae - Vesperid longicorn beetles

• Doesus taprobanicus

Family: Zopheridae - Ironclad beetles

Notes

References