Dendrocephalinus
Rogers, 2006
GBIF:154513386
ABOUT
Descriptions(1)
Key to the species of Dendrocephalinus
1. Male frontal appendage with each main branch bearing two sub-branches ..................................... 2
– Male frontal appendage with each main branch bearing three sub-branches ................................... 3
2. Frontal appendage with sub-branch 1V, lamellar, margined with spiniform papillae; sub-branch 2D absent; sub-branch 2A broad, with chitisied papillae on lateral surface, terminating in a chitinised, hamulate spine (Fig. 1C) ..................................................................................................................... ................................ Dendrocephalus lithacus (Creaser, 1940) (USA: Georgia, possibly extinct)
– Frontal appendage with sub-branch 1V and 2D lamellar, margined with spiniform papillae; subbranch 2A absent (Fig. 1A) ..... Dendrocephalus acacioidea (Belk & Sissom, 1992) (USA: Texas)
3. Frontal appendage with sub-branch 2D lacking spines or papillae; sub-branch 2A terminating in a chitinised, hamulate spine (Fig. 2A) .............. Dendrocephalus proeliator sp. nov. (USA: Florida)
– Frontal appendage with sub-branch 2D with small scattered spines; sub-branch 2A lacking a chitinised, hamulate spine (Fig. 1B)......... Dendrocephalus alachua (Dexter, 1953) (USA: Florida)
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CLASSIFICATION
Taxonomic Classification Tree
MULTIMEDIA
Media Files(2)
Fig. 1. Dendrocephalus spec. A. Dendrocephalus acacioidea, male head, left side, anterior view. B. Dendrocephalus alachua, male head, left side, anterior view. C. Dendrocephalus lithacus, male head, left side, anterior view. D. Dendrocephalus acacioidea, brood pouch, right, lateral view. E. Dendrocephalus alachua, brood pouch, right, lateral view. F. Dendrocephalus lithacus, brood pouch, right, lateral view. G. Dendrocephalus lithacus, male, labrum, ventral view. H. Dendrocephalus lithacus, gonopods, right, lateral view. Scale bar: A–C = 1 mm; D–F, H = 4 mm; G = 0.25 mm.
Fig. 2. Dendrocephalus proeliator sp. nov. Paratypes; Florida, Dade County; FLMNH Type 9041. A. Male head, anterior view. B. Female, right lateral view. C. Right limb V, anterior view. D. Two examples of the egg. Abbreviations: 1V = first ventral branch; 2A = apical branch; 2D = dorsal branch (terminology follows Pereira 1983). Scale bar: A = 2 mm; B = 7 mm; C = 1 mm; D = 1.5 mm.
IMAGES