The Larva of Profenusa alumna (MacG.) (Hymenoptera: Tenthredinidae)

1959 ◽  
Vol 91 (10) ◽  
pp. 618-625 ◽  
Author(s):  
W. Y. Watson
Keyword(s):  
North America ◽  
Larval Morphology ◽  
Leaf Miners ◽  
Fenusa Pusilla

Among the numerous insects attacking the leaves of birch in North America are Profenusa alumna (MacG.) and Fenusa pusilla (Lep.), both of which are leaf-miners belonging to the tribe Fenusini. Various attempts have been made to separate the known fenusine larvae, all of which are very similar (Yuasa, 1922; Ripper, 1931; Lorenz and Kraus, 1957; Lindquist, 1959), but the larval morphology of F. pusilla only has been described in detail (Friend, 1933; Daviault, 1937). In this paper the larval morphology of P. alumna is described from material collected some 60 miles north of Sault Ste. Marie, Ontario, in 1955.

Larvae and pupae of Dascillidae (Coleoptera): morphological study and discussion of their relationships to Scarabaeoidea and Eulichadidae

2003 ◽  
Vol 34 (1) ◽  
pp. 29-39 ◽  
Author(s):  
Clarke Scholtz ◽  
Vasily Grebennikov
Keyword(s):  
North America ◽  
Morphological Variation ◽  
Morphological Study ◽  
Body Shape ◽  
Sister Group ◽  
Close Relative ◽  
Sister Group Relationship ◽  
Larval Morphology ◽  
The Family ◽  
Late Instar

AbstractExternal morphology of late-instar larvae and pupae of the coleopteran family Dascillidae is revised. Larvae studied for Dascillus Latreille with two species from Europe and North America, Notodascillus Carter from Australia and Pleolobus Philippi from Chile; pupae studied for D. davidsoni LeConte. Larval diagnosis and description of the family are updated. Dascillid larvae exhibit little morphological variation and share eight apparently apomorphic characters. Widely accepted sister-group relationship between Dascillidae and Rhipiceridae is not supported with larval morphology because ectoparasitic larvae of Rhipiceridae are poorly known and apparently highly modified morphologically. The superfamily Scarabaeoidea is unlikely to be a close relative of Dascillidae since this hypothesis is based mainly on habitat-dependent convergences of soil-dwellers (grub-like body shape, reduced stemmata) or possible symplesiomorphic similarities. Ten similarities between larvae of Dascillidae and Eulichadidae (Dryopoidea) were found. Some of these are possibly synapomorphies of these two groups. Larval and pupal morphology of Dascillidae is illustrated by 26 drawings.

On adult and larval morphology of Polydora cornuta Bosc, 1802 (Annelida: Spionidae)

Zootaxa ◽  
2005 ◽  
Vol 1064 (1) ◽  
pp. 1 ◽  
Author(s):  
VASILY I. RADASHEVSKY
Keyword(s):  
North America ◽  
Ventral Side ◽  
Larval Morphology ◽  
New Material ◽  
Morphological Differences

The spionid mudworm Polydora cornuta Bosc, 1802 (formerly Polydora ligni Webster, 1880) is redescribed based on museum and new material collected in temperate and subtropical zones worldwide. Previously unobserved features are noted, including arrangement of lateral ciliated organs on all chaetigers but 4 and 5, metanephridial organs and glandular pouches beginning from chaetiger 7. Larval morphology is described and illustrated based on material from Brazil. The larvae are characterized by middorsal vesiculate melanophores from chaetiger 3 or 4, dorsal paired melanophores band-shaped from chaetiger 3 and ramified from chaetiger 7 or 8, large ramified yellow chromatophores on ventral side from chaetigers 5–7, specific modified chaetae in notopodia of chaetiger 5, and hooks in neuropodia from chaetiger 7 not accompanied by any other kind of chaetae. Some differences from earlier descriptions of larvae from Europe and North America are highlighted. Consistent morphological differences between adults from distantly separated populations, as suggested in earlier studies, were not revealed and all the examined materials are referred to one species.

REVIEW OF NORTH AMERICAN CHRYSOCHARIS (KRATOCHVILIANA) (EULOPHIDAE: CHALCIDOIDEA) NORTH OF MEXICO, ESPECIALLY SPECIES ATTACKING BIRCH CASEBEARER (LEPIDOPTERA: COLEOPHORIDAE) AND BIRCH LEAFMINER (HYMENOPTERA: TENTHREDINIDAE)

1973 ◽  
Vol 105 (10) ◽  
pp. 1309-1349 ◽  
Author(s):  
Carl M. Yoshimoto
Keyword(s):  
North America ◽  
North American ◽  
Fenusa Pusilla ◽  
Species Groups ◽  
North America North

AbstractThis study provides information on the species of Chrysocharis (Kratochviliana) found in North America with special emphasis on the Canadian species attacking the birch casebearer, Coleophora serratella (L.) (= fuscedinella Zeller), and the birch leafminer, Fenusa pusilla (Lepeletier).The genus Chrysocharis Förster in North America north of Mexico consists of two subgenera, Kratochviliana Maláč and Chrysocharis s. str. There are 15 Nearctic species of Kratochviliana, of which 10 species are described herein as new. These are: C. (Kratochviliana) robusta n. sp., C. (K.) incerta n. sp., C. (K.) stipitis n. sp., C. (K.) hirsutiventris n. sp., C. (K.) walleyi n. sp., C. (K.) protolithocolletidis n. sp., C. (K.) milleri n. sp., C. (K.) aluta n. sp., C. (K.) coptodiscae n. sp., and C. (K.) cuspidigaster n. sp. Relationships and distribution of species-groups in North America and Europe are discussed. Keys to subgenera and species and host records are included.

A revision of the beet leaf-miner complex, Pegomya hyoscyami s.lat. (Diptera: Anthomyiidae)

1980 ◽  
Vol 11 (3) ◽  
pp. 297-309 ◽  
Author(s):  
Verner Michelsen
Keyword(s):  
North America ◽  
Species Complex ◽  
Distinct Species ◽  
Species Group ◽  
Leaf Miner ◽  
Nomen Nudum ◽  
Leaf Miners ◽  
Male And Female ◽  
Spinach Leaf ◽  
Nomina Dubia

AbstractThe Pegomya hyoscyami species complex, which contains the economically important beet and spinach leaf-miners, is defined and taxonomically revised. Four distinct species are recognized by differences in the adult morphology of both sexes: Pegomya betae (Curtis), P. cunicularia (Rondani), P. exilis (Meigen), and P. hyoscyami (Panzer). A key for identification, diagnoses, figures of the male and female genitalia, and distribution records are provided. The nomenclature adopted here is a result of a critical review of 21 relevant species-group names. Five lectotypes are designated and four new synonymies are established; five names are considered nomina dubia and one is a nomen nudum. All four species occur in Europe, whilst only two are known from North America (betae, hyoscyami) and Japan (cunicularia, exilis).

SUMMER DIAPAUSE IN PHYLLONORYCTER BLANCARDELLA (FABR.) (LEPIDOPTERA: GRACILLARIIDAE) IN ONTARIO

1986 ◽  
Vol 118 (1) ◽  
pp. 17-28 ◽  
Author(s):  
J.E. Laing ◽  
J.M. Heraty ◽  
J.E. Corrigan
Keyword(s):  
North America ◽  
First Generation ◽  
Second Generation ◽  
Eastern North America ◽  
Flight Period ◽  
Life Stages ◽  
Leaf Miners ◽  
Summer Generation ◽  
Summer Diapause ◽  
Phyllonorycter Blancardella

AbstractThe life stages of Phyllonorycter blancardella (Fabr.) were monitored in an orchard at Guelph, Ontario in 1981 and 1982 and the results showed discrepancies with the previous concept of a trivoltine species occurring throughout its range in eastern North America. Sleeve cages were used to monitor the development of the second, mid-summer generation of leaf miners in a low-maintenance orchard at Guelph in 1982 and 1984 and 2 commercial orchards at Simcoe, Ontario in 1984. The flight period of the first-generation adults occurred over approximately a 6-week period. From eggs laid early in the flight period, a large proportion of the larvae developed quickly and emerged to give a second-generation adult flight. As the flight period continued, there was an increase in the number of progeny whose development was delayed in the early instars. These larvae did not pupate until late fall and overwintered as pupae. Of the second-generation larvae, about 70–90% at Guelph and 35% at Simcoe had a delayed development (summer diapause) and formed a large proportion of the overwintering population.

Description of Chironomus quinnitukut, n. sp., closely related tothe C. decorus group in North America, with characterization of an additional larval form from halobiontic habitats

Zootaxa ◽  
2019 ◽  
Vol 2716 (1) ◽  
pp. 29 ◽  
Author(s):  
JON MARTIN ◽  
JAMES E. SUBLETTE ◽  
BROUGHTON A. CALDWELL
Keyword(s):  
Salivary Gland ◽  
North America ◽  
Banding Pattern ◽  
Polytene Chromosomes ◽  
Cape Cod ◽  
Life Stages ◽  
Larval Morphology ◽  
Larval Form

Chironomus quinnitukqut n. sp., from halobiontic habitats in Connecticut and Massachusetts, is described on the basis of the adult and larval morphology, and the banding pattern of the salivary gland chromosomes. In previous studies, the Connecticut population has been referred to as Chironomus atrella Townes, but a re-examination has indicated that it can be readily differentiated from C. atrella in all life stages. Rather, the banding pattern of the polytene chromosomes indicates the species, is best placed as a member of the Chironomus decorus group. Larvae of a second halobiontic species, C. species Cape Cod, are morphologically very similar to C. quinnitukqut and this species also appears to be a member of the C. decorus group.

World genera of the leaf-mining sawfly tribe Fenusini (Hymenoptera: Tenthredinidae)

1976 ◽  
Vol 7 (4) ◽  
pp. 253-260 ◽  
Author(s):  
David R. Smith
Keyword(s):  
North America ◽  
South America ◽  
Northern Hemisphere ◽  
Leaf Miners ◽  
Southern South America ◽  
New Synonym ◽  
Leaf Mining

AbstractA key is given to the 19 genera of Fenusini, and synonymies and discussions are given for each genus. The tribe Cacosyndiini is synonymized with Fenusini, and Afusa Malaise is a new synonym of Nefusa Ross. The larvae of Fenusini are leaf miners, and species are found throughout the northern hemisphere south to Burma and Nepal in Asia, and in southern South America. Several species have been accidentally introduced to areas outside their native ranges; at least 5 species are adventives in North America.

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