Hypolycaena amasa amasa Hewitson, 1865

It is a beautiful species of Lycaenidae butterfly with very long tails. There are 2 subspecies of the species in Indo-Burma region: Hypolycaena amasa amasa Hewitson, 1865 and Hypolycaena amasa maximinianus (Fruhsrtorfer,1912). Two subspecies maybe separated by the South East Asia Sea, while the Hypolycaena amasa amasa found from the main land of Indochina area, Hypolycaena amasa maximinianus was recorded from South of Thailand to Indonesia-Malaysia and Borneo part of South East Asia.
In Vietnam, this subspecies was found almost part from North (Ha Giang) to South (Lam Dong and Dong Nai):
Sometime the species was recorded under its synonym: Zeltus etolus

    

Hypolycaena amasa amasa Hewitson, 1865 - photographed by Nguyen Ba Quang

Dorcus curvidens babai Fujita, 2010

Dorcus curvidens babai Fujita, 2010 was described as new subspecies based on materials from Da Lat, Lam Dong Province, South Vietnam. The subspecies named after Mr. Masaru Baba, a Japanese beetle collector.

Dorcus curvidens babai Fujita, 2010 - photographed by Cuong Do

Glanycus insolitus Walker, 1855

Glanycus insolitus Walker, 1855, a member of Leaf Moth Thyrididae, male and female are very difference in color. The male with shining dark blue wings but female wings are red with black and dark blue marking. They are very small moth and close to members of Sphingidae, colorful insects but attracted by a light trap. They are wide distributed insects, the holotype was collected from Bangladesh.

A male of Glanycus insolitus Walker, 1855, photographed by Cuong Do

Velutinodorcus velutinus (Thomson, 1862)

Velutinodorcus velutinus (Thomson, 1862) is wide distributed species but it is not so common species. It was found from Hunan, Gansu China to Vietnam, Laos, Thailand, Myanmar and India. In Vietnam, it were recorded from Tam Dao, Vinh Phuc Province, Mau Son, Lang Son Province and recently it was found from Bidoup National Park, Lam Dong Province. The syntype of the species is deposited in Paris Museum of Nature History, France.
The species is very special in color and structure of surface of body, they are small size stag beetles.

Velutinodorcus velutinus (Thomson, 1862), photographed by Cuong Do

Griseosphinx marchandi Cadiou, 1996

There are 4 known species of Griseosphix and all member of the genus are found in oriental area. The most early described species is Griseosphinx preechari, it was described in 1990 based on materials from Thailand. G. marchandi is second species was new for science in the genus and it was described in 1996, Cadiou published G. marchandi based on a single female holotype that collected from Vietnam. Recently the species was recorded by Le Quynh Trang (Vietnam National Museum of Nature) from Cuc Phuong National Park, Ninh Binh Province. The recently recorded time of the species is April, 2016; it was collected in pristine forest in lowland area of Cuc Phuong. It came to the light trap from 6:00 to 9:00 pm.

Griseosphinx marchandi Cadiou, 1996

Actias australovietnama Brechlin, 2000

Actias australovietnama Brechlin, 2000 is a species known only from South Center of Vietnam. The species was original described from Ngoc Linh Nature Reserve, Kon Tum Province. Now it was recorded from further localities in South Vietnam in Dak Lak and Lam Dong Province. The species is close to its related species Actias angulocaudata, that found from Hubei, China.
This is maybe the first time the species was photographed in nature.

Actias australovietnama Brechlin, 2000 photographed by Cuong Do

Oecophylla smaragdina (Fabricius, 1775)

Oecophylla smaragdina (Fabricius, 1775) is a species that found from Asia and Australia.  This is the first time, the genus and species be recorded in Vietnam by a photographer: Ly Phu Tai from Nhon Trach, Dong Nai Province.
The color of the species is vary, red or green. They make the nest on tree by stitching leaves by silk from their larvae.

Oecophylla smaragdina (Fabricius, 1775) is handing a grasshopper, photographed by Ly Phu Tai

Loepa diffundata Naumann, Nässig & Löffler, 2008

Loepa diffundata Naumann, Nässig & Löffler, 2008 was changed and described from the subspecies L. katinka diversiocellata. And in the paper, authors also proposed that L. diversiocellata is synonym of L. katinka. Loepa diffundata was recorded in South East Asia and is a wide distributed species.
In Vietnam, the species found in Lam Dong, Thua Thien Hue, Vinh Phuc and Hoang Lien, Lai Chau-Lao Cai. They are active at late after middle night, sometime nearly morning and found in the good forests with elevation about more than 700m.

Loepa diffundata Naumann, Nässig & Löffler, 2008 - phogographed by Cuong Do

Eupanacra busiris busiris (Walker, 1856)

Eupanacra busiris busiris (Walker, 1856) is quite wide distributed species, they found from India to South East Asia and South China. There are 5 subspecies of the species E. busiris be described. Eupanacra busiris atima found only from India; Eupanacra busiris marina found in Andaman Islands (India); Eupanacra busiris myosotis was described from Indonesia and Eupanacra busiris schuetzi found in Philippines. They are plant mimic moths, the whole body marking of the species similar to an orchid trunk. Color of dried specimen very much difference from alive form.

Eupanacra busiris busiris (Walker, 1856) - photographed by Ly Phu Tai

Eupanacra busiris busiris (Walker, 1856) - photographed by Nguyen Ba Quang

Xyleutes persona Le Guillou, 1841

Species of Xyleutes are large size moths of Cossidae, there are 2 species were recorded from Vietnam:  Xyleutes persona Le Guillou, 1841 and Xyleutes strix (Linnaeus, 1758). Both of the species are wide distribute from India to South East Asia, Papua New Guinea, Xyleutes strix (Linnaeus, 1758) found also in Solomons. In Vietnam, Xyleutes species found in mountain forests with elevation from 700 to more than 1000m. The species Xyleutes persona Le Guillou, 1841 was recorded the first time by Yakolev & Witt in 2009. 2 species of Xyleutes can be easy separated by color of the pronotum: Xyleutes persona with a white pronotum while Xyleutes strix has black part of pronotum in dorsal view.

Xyleutes persona Le Guillou, 1841 - photographed by Cuong Do