Size-biased Mating in Both Sexes of the Black-horned Tree Cricket, Oecanthus nigricornis Walker (Orthoptera: Gryllidae: Oecanthinae)

2008 ◽  
Vol 21 (3) ◽  
pp. 130-142 ◽  
Author(s):  
William D. Brown
Keyword(s):  
Tree Cricket ◽  
Oecanthus Nigricornis

scholarly journals Oecanthus salvii sp. nov. (Orthoptera: Gryllidae: Oecanthinae): A new tree cricket species from Modoc County in northeast California

2020 ◽  
Vol 29 (1) ◽  
pp. 91-99
Author(s):  
Nancy Collins ◽  
Ken R. Schneider
Keyword(s):  
New Species ◽  
Species Group ◽  
Tree Cricket ◽  
Subgenital Plate ◽  
The Common ◽  
Oecanthus Nigricornis ◽  
A New Species

A new species of Oecanthus is described from extreme northeast California. Oecanthus salviisp. nov. is currently known only from Lake Annie in Modoc County, California, and occurs on sagebrush (Artemisia) and rabbitbrush (Ericameria). It has the narrow tegmina, antennal markings, metanotal gland configuration, and trilling song found in the Oecanthus nigricornis species group. Song details and morphology, including the shape of the subgenital plate and copulatory blades, are provided in this paper. This new species has been given the common name of sage tree cricket.

OPPORTUNISTIC FEEDING BY THE FEMALE TREE CRICKET, OECANTHUS NIGRICORNIS (ORTHOPTERA: GRYLLIDAE)

1980 ◽  
Vol 112 (4) ◽  
pp. 431-432 ◽  
Author(s):  
Paul D. Bell
Keyword(s):  
Mating Behavior ◽  
Copulatory Behavior ◽  
Mating Strategy ◽  
Male Courtship ◽  
Female Reproduction ◽  
Tree Cricket ◽  
Female Tree ◽  
Oecanthus Nigricornis ◽  
Opportunistic Feeding

Intruding Oecanthus nigricornis (Walker) females stole nutritional glandular secretions from males engaged in post-copulatory behavior with their mates. This mating strategy may enhance female reproduction.Mating behavior of Oecanthus spp. begins with elaborate male courtship involving vibratory, acoustic, and olfactory signalling. The female mounts the male, with copulation occurring soon after. During courtship and after copulation the female remains mounted and is provided with male metanotal glandular secretions. These nutritional secretions and the consumed spermatophore increase reproduction (Bell 1979; in press).

Female Choice for an Indicator of Male Size in the Song of the Black-Horned Tree Cricket, Oecanthus nigricornis (Orthoptera: Gryllidae: Oecanthinae)

Evolution ◽  
1996 ◽  
Vol 50 (6) ◽  
pp. 2400 ◽  
Author(s):  
William D. Brown ◽  
Julie Wideman ◽  
Maydianne C. B. Andrade ◽  
Andrew C. Mason ◽  
Darryl T. Gwynne
Keyword(s):  
Female Choice ◽  
Male Size ◽  
Tree Cricket ◽  
Oecanthus Nigricornis

REARING THE BLACK HORNED TREE CRICKET, OECANTHUS NIGRICORNIS (ORTHOPTERA: GRYLLIDAE)

1979 ◽  
Vol 111 (6) ◽  
pp. 709-712 ◽  
Author(s):  
Paul D. Bell
Keyword(s):  
Relative Humidity ◽  
Second Generation ◽  
Egg Diapause ◽  
Unit Effort ◽  
Male Tree ◽  
Tree Cricket ◽  
Rearing Conditions ◽  
Oecanthus Nigricornis ◽  
First Time

AbstractBlack horned tree crickets, Oecanthus nigricornis (Walker), were continuously reared for the first time in the laboratory. Optimum rearing conditions per unit effort involved 2 months at −5 °C to terminate egg diapause, and subsequent incubation of eggs from infested raspberry cane segments at 27 °C and 45% relative humidity. Eggs began hatching in 2 weeks, and second generation eggs were obtained within 2.5 months. The best survival from egg to adult was 55%. The possibility that male tree crickets provide a nutritional investment in their progeny is discussed.

Multimodal communication by the black-horned tree cricket, Oecanthus nigricornis (Walker) (Orthoptera: Gryllidae)

1980 ◽  
Vol 58 (10) ◽  
pp. 1861-1868 ◽  
Author(s):  
Paul D. Bell
Keyword(s):  
Adult Male ◽  
Courtship Song ◽  
Multimodal Communication ◽  
Conspecific Male ◽  
Male Scent ◽  
Male Tree ◽  
Tree Cricket ◽  
Oecanthus Nigricornis ◽  
Vibratory Signals

Adult male tree crickets, Oecanthus nigricornis (Walker), employ acoustic, olfactory, and vibratory signals during mating. Females were attracted significantly (p < 0.001) to the conspecific courtship song and to conspecific male scent. Males had 63, 39, and 0% copulation success in normal, waxed-over metanotal gland, and nonsinger groups respectively. Males provide the females with metanotal glandular products and a subsequently ingested spermatophore. Females appear to select mates on the males' ability to communicate these nutritional investment capabilities.

scholarly journals FEMALE CHOICE FOR AN INDICATOR OF MALE SIZE IN THE SONG OF THE BLACK-HORNED TREE CRICKET, OECANTHUS NIGRICORNIS (ORTHOPTERA: GRYLLIDAE: OECANTHINAE)

Evolution ◽  
1996 ◽  
Vol 50 (6) ◽  
pp. 2400-2411 ◽  
Author(s):  
William D. Brown ◽  
Julie Wideman ◽  
Maydianne C. B. Andrade ◽  
Andrew C. Mason ◽  
Darryl T. Gwynne
Keyword(s):  
Female Choice ◽  
Male Size ◽  
Tree Cricket ◽  
Oecanthus Nigricornis

TREE CRICKET (ORTHOPTERA: OECANTHIDAE) DAMAGE TO YOUNG PEACH TREES

1973 ◽  
Vol 105 (7) ◽  
pp. 1035-1038
Author(s):  
W. M. Elliott ◽  
B. N. Dhanvantari
Keyword(s):  
Egg Laying ◽  
Essex County ◽  
Tree Cricket ◽  
Oecanthus Nigricornis ◽  
Peach Trees

AbstractBlack-horned tree crickets (Oecanthus nigricornis F. Walker) were reared from rows of eggs laid in the twigs of recently planted peach trees in Essex County, Ontario. Eggs were laid in September and hatched the following June. Egg laying injury was most frequent at the edges of peach blocks. The injuries did not become infection sites for peach canker fungi (Cytospora cincta Sacc. and C. leucostoma Sacc). Twenty-one per cent of the twigs died above the injury and eggs then hatched, but if the injuries healed and the twigs survived, very few eggs hatched.

scholarly journals Orthoptera and allies in the Maritime provinces, Canada: new records and updated provincial checklists

2019 ◽  
Vol 132 (4) ◽  
pp. 319-329 ◽  
Author(s):  
John Klymko ◽  
Paul Catling ◽  
Jeffrey B. Ogden ◽  
Robert W. Harding ◽  
Donald F. McAlpine ◽  
...  
Keyword(s):  
Prince Edward Island ◽  
Native Species ◽  
Periplaneta Americana ◽  
New Records ◽  
American Cockroach ◽  
Maritime Provinces ◽  
Praying Mantis ◽  
Mole Cricket ◽  
Oecanthus Nigricornis ◽  
Periplaneta Australasiae

We provide an updated checklist of Orthoptera and their allies for each Maritime province of Canada with details for 21 new species records. Drumming Katydid (Meconema thalassinum), recorded from Nova Scotia (NS) and Prince Edward Island (PEI), and Sprinkled Grasshopper (Chloealtis conspersa), recorded from New Brunswick (NB) are reported for the first time from the Maritimes as a whole. We report range extensions in the Maritime region for Australian Cockroach (Periplaneta australasiae; NB), Treetop Bush Katydid (Scudderia fasciata; NS), Short-legged Camel Cricket (Ceuthophilus brevipes; PEI), Spotted Camel Cricket (Ceuthophilus maculatus; PEI), Roesel’s Shield-backed Katydid (Roeseliana roesellii; NS), and Black-horned Tree Cricket (Oecanthus nigricornis; PEI). Short-winged Mole Cricket (Neoscapteriscus abbreviatus; NB) and European Mole Cricket (Gryllotalpa gryllotalpa; NS) are reported as adventives (non-native species that are believed to be not yet established), new to Canada from the Maritimes. Other new records for species not known to be established are Lined Earwig (Doru taeniatum; NS), Australian Cockroach (Periplaneta australasiae; PEI), American Cockroach (Periplaneta americana; NB), Brown Cockroach (Periplaneta brunnea; PEI), Smooth Cockroach (Nyctibora laevigata; NB), West Indian Leaf Cockroach (Blaberus discoidalis; NB), an unidentified Parcoblatta species (NB), Brown-banded Cockroach (Supella longipalpa; PEI), Praying Mantis (Mantis religiosa; NB), and American Bird Grasshopper (Schistocerca americana; NS).

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