231:
53:
33:
287:
in keeping
Colorado Potato Beetle under control was not originally fully appreciated because of the largely nocturnal habits of the adult beetles and the subterranean existence of the larvae. In fact it was about a hundred years after its first description as a species that the larvae were discovered
250:
beetles emerge a few weeks later, there are eggs and young larvae of their prey for them to eat and suitable pupae will soon be available for their larvae to attack. An adult beetle can eat about twenty three eggs or three third instar larvae of the
Colorado potato beetle each day. After mating, the
295:
shows promise as a biological control species in the United States. However it does not usually occur in sufficient numbers to effect complete control. Populations may need to be augmented by releasing adult beetles but rearing these in bulk presents certain difficulties that have not yet been
415:
beetles were offered suitable sized larvae of these three chrysomelid species and the number of larvae of each species that were eaten was noted. A similar experiment was performed using the eggs of the three chrysomelid species. The
262:
larvae search out
Colorado potato beetle larvae that are about to pupate. They may follow an odour trail left behind by the burrowing larvae and they need to reach the pupation chamber before it is sealed. They sink their
217:
is the largest species in its genus found in North
America. It is about one centimetre long with a rusty orange head, thorax and legs, a black abdomen and an iridescent blue or purple lustre to the dark coloured
439:
was placed in close proximity to a 4th instar chrysomelid larva that was about to pupate. The success rate of parasitism in each of the three prey species was noted. Successful development of
836:
751:
790:
420:
adults showed no significant difference in the number of larvae of each prey species they chose to eat, but they did differentiate between their eggs.
841:
725:
764:
590:
Prey preference and host suitability of the predatory and parasitoid carabid beetle, Lebia grandis, for several species of
Leptinotarsa beetles
251:
females lay eggs singly in the soil near potato plants. A glandular secretion causes soil granules to stick to the eggs which serves to
246:
ground beetles overwinter in soil in or near potato fields. In the spring
Colorado potato beetles emerge from hibernation. By the time
846:
306:
is constrained by its chrysomelid larval host to habituate potato fields while other predators may disperse to other sources of food.
769:
673:
795:
511:
271:
of their hosts and start feeding, killing the host in the process. After moulting they cease feeding and soon
52:
603:
365:
195:
678:
298:
147:
699:
650:
268:
359:
353:
782:
230:
641:
275:
into the pupal stage. Adult ground beetles emerge about three weeks after the eggs were hatched.
47:
500:
756:
589:
531:
803:
377:
331:
322:
was not found. This would seem to imply that at one time it parasitized a different species.
808:
578:
A revision of the genus Lebia
Latreille in America north of Mexico (Coleoptera: Carabidae)
392:, research was undertaken examining its prey preferences and the suitability of the three
369:
is recorded from Texas, Oklahoma, Arizona and Mexico, where it lives on wild species of
291:
Because it specifically targets
Colorado potato beetles and is native to North America,
831:
32:
655:
482:
825:
565:
Recherches sur les parasites et predateurs attaquant le doryphore en
Amerique du Nord
532:
Prey preference and host suitability of the predatory and parasitoid carabid beetle,
272:
187:
179:
114:
222:. These are wide but rather shorter than the abdomen which protrudes posteriorly.
466:
less than 150 years ago enabled it to exploit this new and abundant food source.
777:
738:
635:
577:
552:
Natural mortality of the
Colorado potato beetle, Leptinotarsa decemlineata (Say)
393:
347:
began to feed on the potato plant and spread rapidly eastwards on potato crops.
252:
199:
163:
626:
712:
443:
from first instar larva to adult occurred with each of the three species of
183:
84:
64:
665:
255:
them. Each female can lay up to 1300 eggs over the course of a few months.
686:
620:
371:
264:
234:
23 of these Colorado beetle eggs may be eaten each day by a single adult
351:
may have had a relationship prior to this with the false potato beetle,
730:
691:
219:
743:
259:
104:
94:
74:
597:
717:
229:
191:
124:
704:
203:
601:
554:. Ph.D. dissertation, Michigan State University, East Lansing.
451:
was about 43% as compared to 12% for the other two species.
388:
In an attempt to find the original species associated with
296:
overcome. Other predators such as the spotted lady beetle (
462:, but that the opportunity afforded by its encounter with
325:
The original host plant of the Colorado potato beetle,
610:
335:, in Mexico. No association has been found between
258:The eggs hatch after about two weeks and the first
454:These studies would seem to support the view that
424:egg consumption averaged nearly twice as high as
435:In another experiment, a first instar larva of
8:
458:was originally exclusively a parasitoid of
363:. Another closely related chrysomid beetle,
302:) also prey on Colorado potato beetles but
182:found in North America. It is a specialist
837:Insects used as insect pest control agents
598:
31:
20:
447:. However the success rate recorded for
318:show that it was present in areas where
580:. Quaestiones Entomologicae 3: 139-242.
475:
381:, but its range does not overlap with
501:Cornell University: Biological control
567:. Annales des Épiphyties 17: 408-445.
7:
527:
525:
523:
521:
519:
496:
494:
492:
490:
432:being in an intermediate position.
343:on this host plant. In the 1850s,
14:
512:Insects of the Great Lakes Region
178:is a ground beetle in the family
51:
842:Biological pest control beetles
198:, and its larvae are obligate
1:
357:which feeds on horsenettle,
288:to have a parasitoid habit.
314:The historical records for
863:
385:except possibly in Texas.
341:Leptinotarsa 'decemlineata
202:of Colorado potato beetle
847:Beetles described in 1823
536:, for several species of
408:as hosts for its larvae.
345:Leptinotarsa decemlineata
327:Leptinotarsa decemlineata
320:Leptinotarsa decemlineata
279:Use in biological control
153:
146:
48:Scientific classification
46:
39:
30:
23:
196:Colorado potato beetles
428:egg consumption, with
366:Leptinotarsa haldemani
239:
329:was the buffalo bur,
299:Coleomegilla maculata
233:
283:The significance of
563:Trouvelot B. 1931.
360:Solanum carolinense
354:Leptinotarsa juncta
240:
819:
818:
804:Open Tree of Life
604:Taxon identifiers
378:Solanum douglasii
332:Solanum rostratum
171:
170:
16:Species of beetle
854:
812:
811:
799:
798:
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772:
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759:
747:
746:
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707:
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669:
668:
659:
658:
646:
645:
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631:
630:
629:
599:
592:
587:
581:
576:Madge RB. 1967.
574:
568:
561:
555:
550:Groden E. 1989.
548:
542:
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514:
509:
503:
498:
485:
480:
159:
56:
55:
35:
21:
862:
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562:
558:
549:
545:
530:
517:
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481:
477:
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464:L. decemlineata
426:L. decemlineata
398:L. decemlineata
312:
281:
228:
212:
167:
161:
155:
142:
139:L. grandis
50:
17:
12:
11:
5:
860:
858:
850:
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839:
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824:
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2:
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656:Lebia_grandis
652:
648:
643:
642:Lebia grandis
637:
633:
628:
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618:
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612:Lebia grandis
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583:
579:
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560:
557:
553:
547:
544:
541:
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534:Lebia grandis
528:
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508:
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502:
497:
495:
493:
491:
487:
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457:
456:Lebia grandis
452:
450:
446:
442:
441:Lebia grandis
438:
437:Lebia grandis
433:
431:
427:
423:
419:
418:Lebia grandis
414:
413:Lebia grandis
409:
407:
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399:
395:
391:
390:Lebia grandis
386:
384:
383:Lebia grandis
380:
379:
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368:
367:
362:
361:
356:
355:
350:
349:Lebia grandis
346:
342:
338:
337:Lebia grandis
334:
333:
328:
323:
321:
317:
316:Lebia grandis
309:
307:
305:
304:Lebia grandis
301:
300:
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293:Lebia grandis
289:
286:
285:Lebia grandis
278:
276:
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270:
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256:
254:
249:
248:Lebia grandis
245:
244:Lebia grandis
237:
236:Lebia grandis
232:
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221:
216:
215:Lebia grandis
209:
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201:
197:
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185:
181:
177:
176:
175:Lebia grandis
165:
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158:
157:Lebia grandis
152:
149:
148:Binomial name
145:
141:
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34:
29:
26:
25:Lebia grandis
22:
19:
611:
585:
572:
564:
559:
551:
546:
538:Leptinotarsa
537:
533:
507:
478:
463:
459:
455:
453:
448:
445:Leptinotarsa
444:
440:
436:
434:
430:L. haldemani
429:
425:
421:
417:
412:
410:
406:L. haldemani
405:
401:
397:
389:
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376:
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364:
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348:
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273:metamorphose
257:
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174:
173:
172:
156:
154:
138:
137:
125:
40:
24:
18:
778:NatureServe
739:iNaturalist
636:Wikispecies
394:chrysomelid
210:Description
200:parasitoids
826:Categories
470:References
269:integument
253:camouflage
226:Life cycle
105:Coleoptera
85:Arthropoda
41:L. grandis
460:L. juncta
449:L. juncta
422:L. juncta
402:L. juncta
396:species,
267:into the
265:mandibles
180:Carabidae
133:Species:
115:Carabidae
71:Kingdom:
65:Eukaryota
783:2.743751
757:11199801
687:BugGuide
663:BioLib:
621:Wikidata
372:Physalis
310:Research
184:predator
111:Family:
81:Phylum:
75:Animalia
61:Domain:
731:4988908
705:1036043
666:1147497
627:Q301974
540:beetles
186:on the
121:Genus:
101:Order:
95:Insecta
91:Class:
809:540408
796:270616
770:111645
744:222767
718:LEBAGR
411:Adult
260:instar
242:Adult
220:elytra
192:larvae
166:, 1823
832:Lebia
752:IRMNG
692:19389
679:24721
204:pupae
126:Lebia
791:NCBI
765:ITIS
726:GBIF
713:EPPO
674:BOLD
483:USDA
404:and
375:and
339:and
190:and
188:eggs
700:EoL
651:ADW
194:of
164:Say
828::
806::
793::
780::
767::
754::
741::
728::
715::
702::
689::
676::
653::
638::
623::
518:^
489:^
400:,
206:.
238:.
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