The Mating Behavior of the Western Corn Rootworm Diabrotica virgifera (Coleoptera: Chrysomelidae)1

Lew, Albert C.; Ball, Harold J.

doi:10.1093/aesa/72.3.391

Cited by 30 publications

(34 citation statements)

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“…In males of D. virgifera virgifera the specialized mushroom-shaped adhesive tarsal hairs arranged concavely in oval areas on the first tarsomeres of their fore-and midleg, which usually contact the elytra surface of females, are probably an adaptation for attaching to the convex elytra of females. This functional explanation, however, does not conform with previous observations of mating posture and behaviour (Lew and Ball 1979).…”

Section: Discussioncontrasting

confidence: 96%

New results on sexual differences in tarsal adhesive setae of Diabrotica virgifera virgifera LeConte (Coleoptera, Chrysomelidae, Galerucinae)

Gloyna¹,

Thieme²,

Gorb

et al. 2014

European Journal of Environmental Sciences

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Previous light microscopy studies revealed a hairless patch on the feet of male Diabrotica virgifera virgifera. However, in related species of chrysomelid beetles the males have special adhesive setae with discoid terminals, which adhere to the elytra of females during copulation. In the present study, we examined the pretarsi of D. virgifera virgifera at a high magnification using scanning electron microscopy. The distinct sexual tarsal dimorphism in this species is confirmed. However, our results do not support the presence of a hairless patch on the feet of males, but a field of densely-packed male-specific adhesive setae with discoid terminals.

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Section: Discussioncontrasting

confidence: 96%

New results on sexual differences in tarsal adhesive setae of Diabrotica virgifera virgifera LeConte (Coleoptera, Chrysomelidae, Galerucinae)

Gloyna¹,

Thieme²,

Gorb

et al. 2014

European Journal of Environmental Sciences

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“…smaller males by prolonging courtship and/or copulation durations, which would perhaps provide more time for more suitable mates to displace less suitable mates or for females to assess the genetic quality of their mates (Tallamy et al 2003). Although adult size was not measured, Lew and Ball (1979) found that after mounting, males courted females for 10 Ð 60 min before copulation in D. v. virgifera. Courtship duration, deÞned as time from mixing of the sexes until copulation started, ranged from under one to Ͼ90 min in our study of D. barberi but did not vary with body size.…”

Section: Cross Proportionmentioning

confidence: 99%

“…Although Quiring and Timmins (1990) found in D. v. virgifera that the mass of spermatophores was unrelated to male size, they did not indicate whether it was related to female size. Other courtship factors such as males rapidly stroking females with their antennae, legs, or other body parts could affect precopulatory and copulatory duration (Bień kowski 1999, Lew and Ball 1979, Tallamy 2004, Tallamy et al 2002.…”

Section: Cross Proportionmentioning

confidence: 99%

Reproductive Traits of Northern Corn Rootworm (Coleoptera: Chrysomelidae) in Relation to Female and Male Body Size

French¹,

Hammack²

2010

Annals of the Entomological Society of America

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Diabrotica spp. are serious pests of maize, Zea mays L., and have evolved resistance to cultural and chemical management practices. Transgenic maize producing a rootworm-toxic protein derived from the bacterium Bacillus thuringiensis Berliner provides a new approach to Diabrotica spp. management. Its use requires a refuge of nontransgenic maize to produce susceptible beetles able to mate with any resistant individuals developing on the transgenic variety to slow the evolution of resistance. Such evolution may simultaneously affect fitness related traits such as longevity, fecundity, and body size. We examined the mating behavior and reproductive biology of Diabrotica barberi Smith & Lawrence in relation to male and female body size. Large and small males were reciprocally paired to large and small females for comparison with average sized beetles. Neither the proportion of pairs that copulated nor the precopulation duration varied significantly with size category; however, the duration of copulation was shortest for large males crossed with small females and longest for the reciprocal cross. Large females lived the longest regardless of mating partner. Although small females mated to small males tended to lay the fewest eggs, size category did not significantly affect egg numbers per week of life during a 12-wk oviposition period. Egg production peaked during the first 4 to 5 wk and then steadily declined. These results suggest that resistance to transgenic maize, if associated with small body size, could provide a reproductive disadvantage for resistant females but not males that could prolong efficacy of the transgenic maize.

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“…D. v. virgifera is known to exhibit prolonged mating associations. For example, males mount and "ride" on femalesÕ elytra before copulation (Lew and Ball 1979). Lew and Ball (1980) reported that the duration of D. v. virgifera mating exceeded 2.5 h in general.…”

Section: Discussionmentioning

confidence: 99%

Likelihood of Multiple Mating in <I>Diabrotica virgifera virgifera</I> (Coleoptera: Chrysomelidae)

Kang¹,

Krupke²

2009

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We evaluated the mating ability of male western corn rootworms, Diabrotica virgifera virgifera Leconte (Coleoptera: Chrysomelidae), for 20 d after initial mating, using a series of laboratory experiments. Males mated an average of 2.24 times within 10 d after their first mating and averaged 0.15 matings between days 11 and 20 after their first mating. Because estimating the mating frequency in Bt/refuge cornfields is critical to developing robust and reliable models predicting Bt resistance development in this pest, we discuss how these laboratory findings may influence development and evaluation of current and future insect resistance management plans.

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The Mating Behavior of the Western Corn Rootworm Diabrotica virgifera (Coleoptera: Chrysomelidae)1

Cited by 30 publications

References 0 publications

New results on sexual differences in tarsal adhesive setae of Diabrotica virgifera virgifera LeConte (Coleoptera, Chrysomelidae, Galerucinae)

New results on sexual differences in tarsal adhesive setae of Diabrotica virgifera virgifera LeConte (Coleoptera, Chrysomelidae, Galerucinae)

Reproductive Traits of Northern Corn Rootworm (Coleoptera: Chrysomelidae) in Relation to Female and Male Body Size

Likelihood of Multiple Mating in <I>Diabrotica virgifera virgifera</I> (Coleoptera: Chrysomelidae)

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