Calycomyza platyptera (Thomson)

Eiseman, Charles S. & Lonsdale, Owen, 2018, New state and host records for Agromyzidae (Diptera) in the United States, with the description of thirty new species, Zootaxa 4479 (1), pp. 1-156 : 34-35

publication ID

https://doi.org/ 10.11646/zootaxa.4479.1.1

publication LSID

lsid:zoobank.org:pub:93C84828-6EEF-4758-BEA1-97EEEF115245

DOI

https://doi.org/10.5281/zenodo.5997713

persistent identifier

https://treatment.plazi.org/id/03D287EF-FF81-E468-A8E5-56734592FC0C

treatment provided by

Plazi

scientific name

Calycomyza platyptera (Thomson)
status

 

Calycomyza platyptera (Thomson) View in CoL

( Figs. 19 View FIGURES 12–21 , 116 View FIGURES 109–117 )

Material examined. CALIFORNIA: Napa/Lake Co., McLaughlin Reserve, 13.vii.2015, em. 20.vii–11.viii.2015, E. LoPresti, ex Helianthus exilis , #CSE1811, CNC564639–564646 (4♂ 4♀); COLORADO: Custer Co., Wet Mountains, San Isabel National Forest, 5.vii.2015, em. by 12.vii.2015, C.S. Eiseman, ex Artemisia ? ludoviciana , #CSE1699, CNC564668 (1♂); IOWA: Howard Co., Hayden Prairie State Preserve, 15.vii.2015, em. by 19– 23.vii.2015, C.S. Eiseman, ex Silphium perfoliatum , #CSE1743, CNC654359, CNC654360 (1♂ 1♀); Winneshiek Co., 310th St - Mike's Rd Ditch (43°23'8.16"N, 92° 3'22.49"W), 12.vi.2015, em. 16.vi.2015, MJ Hatfield, ex Silphium laciniatum , #CSE1823, CNC654351 (1♀); KANSAS: Riley Co., Konza Prairie Biological Station, 3.vii.2015, em. 13.vii.2015, C.S. Eiseman, ex Helianthus annuus , #CSE1702, CNC564652 (1♀); MASSACHUSETTS: Franklin Co., Northfield, 263 Capt. Beers Plain Rd., 11.vii.2012, 14.vii.2012, C.S. Eiseman, ex Ambrosia artemisiifolia (1♀); Nantucket Co., Nantucket, Masquetuck, 28.vii.2017, em. by 31.vii– 5.viii.2017, C.S. Eiseman, ex Iva frutescens , #CSE4015, CNC939652, CNC939653 (1♂ 1♀); NORTH CAROLINA: Durham Co., Durham, Grandale Drive, 14.vii.2017, em. by 24.vii.2017, T.S. Feldman, ex Bidens , #CSE4007, CNC939842 (1♂); Scotland Co., Laurinburg, St. Andrews University, 11.iv.2017, em. 30.iv.2017, T.S. Feldman, ex Ambrosia artemisiifolia , #CSE3606, CNC939759 (1♂); OKLAHOMA: Payne Co., Mehan, 36.014339° N, 96.996744° W, 20.v.2016, em. 1.vi.2016, M.W. Palmer, ex Silphium laciniatum , #CSE2666, CNC654004 (1♂); 20.iv.2017, em. 30.iv.2017, M.W. Palmer, ex Artemisia ludoviciana , #CSE3735, CNC939896 (1♂); 5.v.2017, em. 20.v.2017, M.W. Palmer, ex Helianthus annuus , #CSE3737, CNC939911 (1♀); 29.v.2017, em. 14.vi.2017, M.W. Palmer, ex Helianthus annuus , #CSE3934, CNC939897 (1♂).

Hosts. Asteraceae : Ambrosia artemisiifolia L., Artemisia * ludoviciana Nutt. , Bidens L., Gamochaeta pensylvanica (Willd.) Cabrera (as Gnaphalium spathalium ” Lam.), Helianthus annuus L. , H. * exilis A. Gray , * Iva frutescens L., Mikania micrantha Kunth , M. scandens (L.) Willd., * Silphium laciniatum L., S. perfoliatum L., Xanthium strumarium L. ( Stegmaier 1967b; Spencer & Steyskal 1986; Diaz et al. 2015).

Stegmaier (1967b) reported the following hosts based on leaf mines only: Bidens pilosa L., Symphyotrichum simmondsii (Small) G.L. Nesom, Solidago caesia L., S. tortifolia Elliott., Solidago spp., and Zinnia sp. (cultivated). Spencer & Steyskal cited additional hosts listed by Frick (1956) for C. jucunda (van der Wulp) , a species with which C. platyptera had been confused: Arctium sp., Artemisia douglasiana Besser , A. vulgaris L. , Baccharis salicifolia (Ruiz & Pav.) Pers., Erigeron sp., E. canadensis L., Grindelia squarrosa (Pursh) Dunal, and Heterotheca grandiflora Nutt. Frick (1956) had also listed Ambrosia trifida L. and Cynara scolymus L. (as “ globe artichoke ”), and their omission was presumably inadvertent. Spencer & Steyskal (1986) stated, “The species feeding commonly on several genera of Asteraceae and common in Florida and California is now accepted as C. platyptera and not C. jucunda .” No hosts have been confirmed for true C. jucunda , but it is entirely possible that it is likewise an Asteraceae feeder and is responsible for some of Frick’s host records. Frick (1959) listed Solidago caesia L., S. canadensis L., and S. flexicaulis L. among the hosts of C. jucunda . Since Frick (1956) and Stegmaier (1967b) were evidently the only sources for host data, the origin of the following host records listed by Spencer & Steyskal (1986) is unclear: “ Chrysanthemum ” sp., Erechtites hieraciifolius (L.) Raf. ex DC., “ Eupatorium ” spp., Gaillardia sp., “ Senecio ” sp., Tagetes sp., and Tithonia sp. Spencer (1990) additionally listed Helenium and Heliopsis as hosts for C. platyptera , again without citing sources.

Leaf mine. ( Fig. 116 View FIGURES 109–117 ) A whitish blotch, frequently toward the base of the leaf, with characteristic irregular offshoots; young leaves become characteristically deformed ( Spencer & Steyskal 1986). Frick (1956) stated that the mine begins with a short, rarely curving, linear portion, which is usually obliterated by the blotch. Frass is not visible in the linear portion and is mostly deposited in a mass of coalescing pellets around the pupation site, with very small pellets sparsely scattered elsewhere ( Frick 1956). Mines we examined on Ambrosia were associated with numerous feeding punctures made by females. Some mines on Helianthus and Silphium were formed on the lower leaf surface, detectable from above as patches slightly paler than the rest of the leaf.

Puparium. ( Fig. 19 View FIGURES 12–21 ) Brownish, attached to a flattened lump of frass at the center of the mine. On Ambrosia , the upper epidermis is often torn such that the puparium is exposed.

Distribution. USA: CA, *CO, FL, *IA, *KS, *MA, MS, *NC, *OK; Cuba; Grand Cayman Island; Jamaica; numerous states and provinces listed by Frick (1956) (as C. jucunda ) require confirmation.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Agromyzidae

Genus

Calycomyza

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