Debus quadrispinus
|
Debus quadrispinus lateral; R.K. Osborn |
|
Debus quadrispinus dorsal; R.K. Osborn |
|
Debus quadrispinus declivity; R.K. Osborn |
|
Debus quadrispinus frontal; R.K. Osborn |
Taxonomic history
Tomicus quadrispinus Motschulsky, 1863: 514.
Xyleborus quadrispinus (Motschulsky): Mandelshtam and Nikitsky, 2010: 17.
Debus quadrispinus (Motschulsky): Smith et al., 2020b: 213.
Synonyms
Xyleborus fallax Eichhoff, 1878a: 392. Smith et al. 2020b: 213.
Xyleborus amphicranulus Eggers, 1923: 204. Schedl, 1970b: 224.
Xyleborus fastigatus Schedl, 1935a: 402. Hulcr and Cognato, 2010a: 15.
Diagnosis
2.2−2.5 mm long (mean = 2.36 mm; n = 5); 3.67−3.83 times as long as wide. This species is distinguished by the posterolateralposterolateral:
relating to end of the side part/portion
extensions of elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
long, as long as width of apicalapex:
point or edge furthest from the body; opposite of base
emargination; declivitydeclivity:
downward slope of either the pronotum or elytra
deeply excavatedexcavated:
with a depression that is not in a segment of a circle
; small size; and typically bicolored appearance, with light brown pronotumpronotum:
the dorsal surface of the thorax
and dark brown elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
.
May be confused with
Debus emarginatus and D. shoreae
Distribution
China (Jiangxi, Yunnan), India (Assam, Uttarakhand), Indonesia (Enggano Is., Laos, Java, Maluku, Mentawai Is., Sulawesi, Sumatra), East & West Malaysia, Myanmar, Nepal, New Guinea, Philippines, Solomon Is., Thailand, Vietnam
Host plants
strongly polyphagous (e.g. Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255., Ohno 1990Ohno 1990:
Ohno S. 1990. The Scolytidae and Platypodidae (Coleoptera) from Borneo found in logs at Nagoya port 1. Research Bulletin of the Plant Protection Service, Japan 26: 83-94., Wood and Bright 1992Wood and Bright 1992:
Wood SL, Bright DE. 1992. A catalog of Scolytidae and Platypodidae (Coleoptera), Part 2: Taxonomic index. The Great Basin Naturalist Memoirs 13: 1-1533.)
DNA data
Sequences available for COI and CAD.
