Cratyna (Cratyna) longicosta ( Hardy, 1956 ) Mohrig & Kauschke & Broadley, 2019

Mohrig, Werner, Kauschke, Ellen & Broadley, Adam, 2019, Revision of black fungus gnat species (Diptera, Sciaridae) described from the Hawaiian Islands by D. E. Hardy and W. A. Steffan, and a contribution to the knowledge of the sciarid fauna of the Galápagos Islands, Zootaxa 4590 (4), pp. 401-439 : 416

publication ID

https://doi.org/ 10.11646/zootaxa.4590.4.1

publication LSID

lsid:zoobank.org:pub:CD2A364C-6CF9-4FF5-AD28-7AF388868B15

persistent identifier

https://treatment.plazi.org/id/03C987F6-FFDB-FFA8-BD88-5D19FB08711B

treatment provided by

Plazi

scientific name

Cratyna (Cratyna) longicosta ( Hardy, 1956 )
status

comb. nov.

Cratyna (Cratyna) longicosta ( Hardy, 1956) View in CoL comb. n.

( Fig. 12 A – C View FIGURE 12 )

Plastosciara (Cosmosciara) longicosta Hardy, 1956 View in CoL [ Hardy (1956): 75 – 77, fig. 3 a – d].

Material studied: Holotype : Male, 24.xi.1952, Hawai‘i, O‘ahu, Hālawa Ridge, ex moss, leg. C.P. Hoyt (BPBM, No. 2482).

Conservation status. Embedded in Canada balsam. Head, palpus, antennae and wings isolated, wings under a separate cover slip. All morphological structures are rather well preserved.

Comments. The species is characterized by a 1-segmented palpus with a small rudimentary second segment, the basal segment not swollen, short oval and without a deepened sensory pit; antenna rather short, 4 th flagellomere with a l/w index of 1.2, hairs fine and somewhat shorter than the diameter of the basal node; legs slender, fore tibia without a distinct bristle patch; hypopygium with short and rather robust gonocoxites; gonocoxites with short and sparse hairs on the ventral inner side, gonostylus elongate, somewhat bulbous, apically with 2 fine and slightly curved spines and 2 fine subapical spines at the inner side. Hardy put the species into the genus Plastosciara , subgenus Cosmosciara . We agree with Hardy concerning the position in the genus Cratyna (= Plastosciara ) because of a shortened palpus and two pairs of fine spines on the inner side of the gonostylus.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Sciaridae

Genus

Cratyna

Loc

Cratyna (Cratyna) longicosta ( Hardy, 1956 )

Mohrig, Werner, Kauschke, Ellen & Broadley, Adam 2019
2019
Loc

Plastosciara (Cosmosciara) longicosta

Hardy, D. E. 1956: 75
1956
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