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The morphology of the preimaginal stages of Squamapion elongatum (Germar, 1817) (Coleoptera, Curculionoidea, Apionidae) and notes on its biology.

Łętowski J, Pawlęga K, Ścibior R, Rojek K - Zookeys (2015)

Bottom Line: Data on the morphology of the egg, mature larva (L3) and pupa of Squamapion elongatum (Germar, 1817) are presented.The development cycle of this species lasts 51-54 days: a 12-day egg period, a 30-day larval period, and a 12-day pupal period, on average.The larvae are attacked by parasitic hymenopterans of the superfamily Chalcidoidea.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Zoology, Animal Ecology and Wildlife Management,University of Life Sciences in Lublin, Lublin, Poland.

ABSTRACT
Data on the morphology of the egg, mature larva (L3) and pupa of Squamapion elongatum (Germar, 1817) are presented. The development cycle of this species lasts 51-54 days: a 12-day egg period, a 30-day larval period, and a 12-day pupal period, on average. The larvae are attacked by parasitic hymenopterans of the superfamily Chalcidoidea.

No MeSH data available.


Related in: MedlinePlus

Labrum and epipharynx (L3) (a dorsal b ventral view): a lrms labral setae b mes median s. ams anteromedial s. als anterolateral s. lmr labral rods.
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Figure 3: Labrum and epipharynx (L3) (a dorsal b ventral view): a lrms labral setae b mes median s. ams anteromedial s. als anterolateral s. lmr labral rods.

Mentions: Mouthparts (Figures 3–5, 9): Dorsal side of labrum with 3 pairs of setae (lrms1-3) – lrms1 and 2 long, lrms3 nearly half the length of lrms2. Epipharynx with 7 pairs of setae (3 ams, 3 als, 1 mes) and rather short labral rods (lmr) (Fig. 3a, b). Mandibles massive, dark brown, with 2 mandibular setae (mds1, 2) and 2 sensilla (Fig. 4). Maxillae: palpifer with 2 long setae (pfs1, 2) – pfs2 longer than pfs1, 1 longer stipital seta (stps1) and 2 very short sensilla. Maxillary palpus with 2 segments. Basal segment with digitiform sensorium and 3 very short setae, distal segment cylindrical with 1 short sensilla and 10 conical papillae. Lacinia with 8 robust setae arranged like a comb (dms) (Fig. 5, 9). Labium: premental sclerite (pmsc) Y-shaped. Mentum-submentum complex with 2 pairs of postmental setae (pms1, 3) and 3 pairs of prelabial setae (prms1-3) – prms1 short, prms2 and 3 very short. Additionally, submentum with 3 pairs of sensilla. Labial palpi (lbp) 1-segmented, raised, with numerous papillae (Fig. 5).


The morphology of the preimaginal stages of Squamapion elongatum (Germar, 1817) (Coleoptera, Curculionoidea, Apionidae) and notes on its biology.

Łętowski J, Pawlęga K, Ścibior R, Rojek K - Zookeys (2015)

Labrum and epipharynx (L3) (a dorsal b ventral view): a lrms labral setae b mes median s. ams anteromedial s. als anterolateral s. lmr labral rods.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4591605&req=5

Figure 3: Labrum and epipharynx (L3) (a dorsal b ventral view): a lrms labral setae b mes median s. ams anteromedial s. als anterolateral s. lmr labral rods.
Mentions: Mouthparts (Figures 3–5, 9): Dorsal side of labrum with 3 pairs of setae (lrms1-3) – lrms1 and 2 long, lrms3 nearly half the length of lrms2. Epipharynx with 7 pairs of setae (3 ams, 3 als, 1 mes) and rather short labral rods (lmr) (Fig. 3a, b). Mandibles massive, dark brown, with 2 mandibular setae (mds1, 2) and 2 sensilla (Fig. 4). Maxillae: palpifer with 2 long setae (pfs1, 2) – pfs2 longer than pfs1, 1 longer stipital seta (stps1) and 2 very short sensilla. Maxillary palpus with 2 segments. Basal segment with digitiform sensorium and 3 very short setae, distal segment cylindrical with 1 short sensilla and 10 conical papillae. Lacinia with 8 robust setae arranged like a comb (dms) (Fig. 5, 9). Labium: premental sclerite (pmsc) Y-shaped. Mentum-submentum complex with 2 pairs of postmental setae (pms1, 3) and 3 pairs of prelabial setae (prms1-3) – prms1 short, prms2 and 3 very short. Additionally, submentum with 3 pairs of sensilla. Labial palpi (lbp) 1-segmented, raised, with numerous papillae (Fig. 5).

Bottom Line: Data on the morphology of the egg, mature larva (L3) and pupa of Squamapion elongatum (Germar, 1817) are presented.The development cycle of this species lasts 51-54 days: a 12-day egg period, a 30-day larval period, and a 12-day pupal period, on average.The larvae are attacked by parasitic hymenopterans of the superfamily Chalcidoidea.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Zoology, Animal Ecology and Wildlife Management,University of Life Sciences in Lublin, Lublin, Poland.

ABSTRACT
Data on the morphology of the egg, mature larva (L3) and pupa of Squamapion elongatum (Germar, 1817) are presented. The development cycle of this species lasts 51-54 days: a 12-day egg period, a 30-day larval period, and a 12-day pupal period, on average. The larvae are attacked by parasitic hymenopterans of the superfamily Chalcidoidea.

No MeSH data available.


Related in: MedlinePlus