Genus - Coccinella

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum


Results

13 results for "Coccinella"

Coccinella septempunctata

University of Alberta E.H. Strickland Entomological Museum

Common NameSeven-spot Ladybug (or Seven-spotted Ladybug) SeasonalityAccording to studies done in Europe, adults emerge in late March or early April. The adults were observed mating a week or two after their emergence. The second generation adults emerged in June. While the young (second generation) females rarely mate until they have over-wintered, young males will mate with older (first generation) females. This creates a partial second generation (Majerus, 1994). In Alberta, it is common for this specie to produce three generations in one year (Acorn, 2007). Identification5.5-7.8 mm long. A red or orange-red ladybug with seven black spots (Acorn, 2007; Belicek, 1976). Although it commonly has seven spots the number of spots can range from 0-9 (Majerus & Kearns, 1989). This makes it easily confused with nine-spotted ladybug, but nine-spotted ladybugs have a pale orange colour and a dark line where the wing covers meet (Acorn, 2007). In Europe, it can be confused with scarce seven-spot ladybug (Coccinella magnifica). Coccinella septempunctata have one small white triangular mark on the underside of the thorax under the middle pair of legs on each side. Whereas, C. magnifica have two small triangular marks on the underside of thorax, one under each the middle and hind pair of legs on each side (Majerus & Kearns, 1989).

Coccinella trifasciata perplexa

University of Alberta E.H. Strickland Entomological Museum

Coccinella transversoguttata

University of Alberta E.H. Strickland Entomological Museum

Coccinella novemnotata

University of Alberta E.H. Strickland Entomological Museum

Common NameNine-spot Ladybug (or Nine-spotted Ladybug) SeasonalityIt has two generations in one summer. But unlike C. septempunctata there are no indications of overlap. The spring generation goes into diapause due to the increasing day length in summer and the summer generation goes into diapause due to decreasing day length in fall (Acorn, 2007). Identification4.0-7.0 mm long. A pale orange, rounded ladybug with nine black spots on the wing cover. Narrow black pigment where the wing cover meets, a feature that helps distinguish it from seven-spot ladybug (Acorn, 2007; Belicek, 1976). It also has spotless forms that can be confused with other spotless ladybugs. In that situation it is best to use the colouration and patterns on the head. It exhibits no sexual dimorphism (ADW, 2012).

Coccinella trifasciata

University of Alberta E.H. Strickland Entomological Museum

Common NameThree-banded Ladybug SeasonalityNo studies on lifespan exist, but like most Coccinellidae species, it has two generations in one year. It emerges during early spring. The second generation adults probably emerge sometime during summer. There may be some overlap between the two generations, but only the second generation will over winter (ADW, 2012). IdentificationThe subspecies C. t. perplexa (Mulsant) is commonly found in Alberta. It is 4.0-5.0 mm long. It is a round ladybug with reddish-orange elytra with three black bands. Middle and apical bands are interrupted and appear discontinuous (Acorn, 2007; Belicek, 1976). The subspecies C. t. subversa (LeConte) is found in Pacific states. The elytron of this close relative is usually not pigmented and only has the 1st of the three black bands (Johnson, 1910).

Coccinella venusta

University of Alberta E.H. Strickland Entomological Museum

Coccinella hieroglyphica

University of Alberta E.H. Strickland Entomological Museum

Coccinella californica

University of Alberta E.H. Strickland Entomological Museum

Coccinella monticola

University of Alberta E.H. Strickland Entomological Museum

Coccinella undecimpunctata

University of Alberta E.H. Strickland Entomological Museum

Coccinella repanda

University of Alberta E.H. Strickland Entomological Museum

Coccinella fulgida

University of Alberta E.H. Strickland Entomological Museum

Coccinella alta

University of Alberta E.H. Strickland Entomological Museum

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum