Philodoria costalis Swezey, 1934

Kobayashi, Shigeki, Johns, Chris A. & Kawahara, Akito Y., 2021, Revision of the Hawaiian endemic leaf-mining moth genus Philodoria Walsingham (Lepidoptera: Gracillariidae): its conservation status, host plants and descriptions of thirteen new species, Zootaxa 4944 (1), pp. 1-175 : 46-48

publication ID

https://doi.org/ 10.11646/zootaxa.4944.1.1

publication LSID

lsid:zoobank.org:pub:380D2F75-D4F9-4974-97E2-25E0C62CB3B0

DOI

https://doi.org/10.5281/zenodo.4683232

persistent identifier

https://treatment.plazi.org/id/038087CB-FFC3-0720-FF75-90EEFEF1A3FB

treatment provided by

Plazi

scientific name

Philodoria costalis Swezey, 1934
status

 

Philodoria costalis Swezey, 1934 View in CoL

Figs. 10A View FIGURE 10 , 57A, B View FIGURE 57 , 61I–N View FIGURE 61 .

Philodoria costalis Swezey, 1934: 524–525 View in CoL ; Zimmerman 1978a: 708, figs. 462, 469, 476.

Type locality. Makaha ridge, 3000 ft, west side of Mount Kaala (Oahu) .

Type material. Lectotype ♂, Makaha ridge, 3000 ft, west side of Mount Kaala, Waianae Mountains, Oahu, 15.iv.1934, O.H. Swezey Collecter, [host:] Pipturus , | Holotype | Philodoria costalis Sewezey Det. by O. H. Swezey| Type no. 4269 in BPBM (here designated). Paralectotypes 2♂, 2♀, same locality and data as lectotype, | Paratype | 34153/Z-XII-20-60-2♂, SK 652♀ |♂ paratype to ECZ 7-17-61[= 17.vii.1961]| BPBM 34154, SK683♂| BPBM 34155, SK 653♀ | BPBM 34156. Described from presumably six specimens that Swezey (1934) examined, reared from numerous mines on Pipturus . One specimen was labeled ‘holotype’ and five others as ‘paratypes’. Given the manner in which the descriptions were written, Swezey likely considered these specimens to be the holotype and paratypes. But as a holotype was not specified in the description, the so-labeled holotype and paratypes are all to be considered syntypes under Article 73.2 of the Code ( ICZN 1999), and any one is thus eligible for designation as lectotype under Article 74 of the Code ( ICZN 1999). The ‘ Holotype, type no. 4269’, which Swezey indicated as holotype in the specimen label, is here designated as lectotype ( Fig. 10A View FIGURE 10 ). The remaining syntypes are paralectotypes.

Diagnosis. Swezey (1934) noted that this species is very similar to Philodoria micropetala Walsingham , but it is distinguishable by the white costal line and the lack of fuscous scales along middle of apical orange area ( Fig. 10A View FIGURE 10 ). The forewing pattern and genitalia are similar to that of P. pipturiella Swezey , but distinguished by the rather oblong forewing with a small white spot at middle ( Fig. 10A View FIGURE 10 ); the straight base of valva; and a rather short ductus bursae.

Redescription: Adult ( Fig. 10A View FIGURE 10 ). Wingspan 7–8 mm; forewing length 3.5 mm in lectotype, 2.4–3.0 mm in paralectotypes. Head tawny brown; frons white; maxillary palpus reduced; labial palpus white shaded with brownish externally on apex of median joint and most of the terminal joint. Antenna uniformly light brown, about 1.25 x length of forewing. Thorax and abdomen tawny brown, white beneath. Forewing tawny brown, suffused with orange patches at apical portion; a broadly oval to nearly circular white spot (ws) about middle or just beyond middle of fold, not reaching dorsum; a narrow white line (cl) on costa from base to about 2/3; white costal spot (cs) at 2/3, this line enclosing fuscous scales; two white bands on both extremities of shiny pale blue color band (bb 3): w 1 at costal 1/4, bent w 2 near opposite at dorsal 1/4; another blue apical spot (as) extending into apical cilia; costal cilia with two white spots (a, b), rest of apical and the terminal cilia brown. Hindwing and cilia brownish fuscous. Legs light brown, white beneath.

Male genitalia ( Fig. 61J–N View FIGURE 61 ). See Zimmerman (1978a: fig. 469). Tegumen 0.8–0.9 x length of valva; valva rather short, tapering along costal margin from 1/2 to apex with short spines at basal region; apical half digitiform, near straight; along the inner side of valva, a series of small spines ( Fig. 61J, L View FIGURE 61 ). Saccus short and tapering toward the point ( Fig. 61K View FIGURE 61 ). Phallus rather short and thick with two series of minute cornuti in vesica ( Fig. 61M View FIGURE 61 ).

Female genitalia ( Fig. 57A, B View FIGURE 57 ) (n=2). 900 µm long. Ostium bursae large; antrum cup-shaped with a pair of slender lateral lobes; lamella antevaginalis 160 µm, weakly sclerotized, widening toward anterior margin of A7. Ductus bursae 300–350 µm; terminus of ductus bursae biforked; corpus bursae oblong, 520 µm; paired rows of wrinkles running longitudinally, some sclerotized.

Distribution. Oahu ( Swezey 1934).

Host plants. Urticaceae : Pipturus sp. ( Swezey 1934).

Biology. Unknown, other than that an oval brown cocoon has been reported to be situated on the surface of a leaf ( Swezey 1934).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Gracillariidae

Genus

Philodoria

Loc

Philodoria costalis Swezey, 1934

Kobayashi, Shigeki, Johns, Chris A. & Kawahara, Akito Y. 2021
2021
Loc

Philodoria costalis

Zimmerman, E. C. 1978: 708
Swezey, O. H. 1934: 525
1934
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