Subspecies Horcoma colorata lacteipennis (Muir, 1917)
Compiler and date details
10 January 2014 - Murray J. Fletcher
- Delphacodes lacteipennis Muir, F. 1917. Homopterous Notes. Proceedings of the Hawaiian Entomological Society 3(4): 311-338 [337].
Type data:
Syntype(s) BPBM 8 x ♂ (coll: Muir), Fiji; BPBM 4 x ♂ (coll: Muir), Java; BPBM 1 x ♀ (coll: Muir), Java; BPBM 1 x ♂ (coll: Muir), Taiwan.
Generic Combinations
- Horcoma colorata lacteipennis (Muir, 1917). —
Fennah, R.G. 1975. Homoptera: Delphacidae from Ceylon. Entomologica Scandinavica. Supplementum 4: 79-136 [113]
Introduction
The records of this subspecies from the "top end" (=north) of both the Northern Territory and Queensland by Bellis et al. (2013) places the genus Horcoma Fennah in Australia for the first time. The two subspecies can be differentiated by the shape of the genital styles.
Distribution
States
Northern Territory, Queensland
IBRA
NT, Qld: Cape York Peninsula (CYP), Darwin Coastal (DAC), Wet Tropics (WT)
Distribution References
- Bellis, G.A., Donaldson, J.F., Quintao, V., Rice, A., Tenakanai, D. & Tran-Nguyen, L. 2013. New records of Delphacini (Hemiptera: Delphacidae: Delphacinae) from Australia, Timor Leste and Papua New Guinea, and an updated checklist of Delphacini from Australia. Austral Entomology 1–8 [Pagination is from electronic version; print version Austral Entomology (2014) 53, 167–174] [4]
Ecological Descriptors
All stages: phloem feeder.
Diagnosis
Male. Head about as broad as pronotum, short; vertex a little broader than long; lateral margins of face arcuate, length of face twice the width, median carina forking at base; antennae reaching a little beyond base of clypeus, second joint 1.8 times the length of first; lateral pronotal carinae divergingly curved; first joint of hind tarsus shorter than other two together, spur as long as first tarsal joint, moderately broad, laminate, with minute teeth on hind margin. Head and anterior portion of pronotum dark Hessian brown, vertex and carinae at base of face lighter, antennae nearly black, legs brown, posterior pair lighter than anterior; posterior portion of pronotum white, creamy white or dirty yellow; meso- and metanotum light brown; abdomen Hessian brown, light on posterior edge of segments and on pleura. On the face, genae and clypeus there are scattered, fine short hairs. Tegmina and wings hyaline, opaquely white, veins yellowish with fine granules on the tegminal veins. Anal spines long, slightly curved, approximate at base, diverging towards apex.
Length 1.4 mm; tegmen 2 mm.
Female, brachypterous, tegmina reaching to fourth abdominal segment, orange buff; antennae dark brown, clypeus, face and vertex lighter brown, anterior half of pronotum darker than posterior half. Tegmina hyaline, orange buff; veins concolorous with membrane with concolorous minute granules.
Length 1.6 mm; tegmen 0.6 mm (Muir 1917).
Muir (1917) provides figures of the male genitalia.
Diagnosis References
Muir, F. 1917. Homopterous Notes. Proceedings of the Hawaiian Entomological Society 3(4): 311-338 [337. Pl. VI, figs 53, 53a]
History of changes
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| DELPHACIDAE Leach, 1815 | 10-Jan-2014 | ADDED | Dr Murray Fletcher |