First description of immature stages of Gastropini, Gastrops willistoni Cresson (Diptera: Ephydridae) preying on eggs in a foam nest of Leptodactylus knudseni Heyer (Anura: Leptodactylidae) in Central Amazon

The third instar larva and puparium of Gastrops willistoni Cresson (Diptera: Ephydridae), preying on eggs in a foam nest of Leptodactylus knudseni Heyer (Anura: Leptodactylidae), in a central Amazonian dryland forest (Brazil) are described for the first time. The fusiform larva has a short breathing tube, its anterior spiracles are fan-shaped and posterior spiracles with three spircular openings. Pupa is ovoid with a broad anterior margin and bifurcate posterior tip. The taxonomic relationship of the frog egg predators, Gastrops Williston and Typopsilopa Cresson, are discussed.

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Description of the second- and third instar larvae of Platynectes (s. str.) decemnotatus (Aubé, 1838) (Coleoptera: Dytiscidae: Agabinae: Platynectini)

Zootaxa ◽

10.11646/zootaxa.4544.3.4 ◽

2019 ◽

Vol 4544 (3) ◽

pp. 381 ◽

Cited By ~ 1

Author(s):

CESAR J. BENETTI ◽

MARIANO C. MICHAT ◽

YVES ALARIE ◽

NEUSA HAMADA

Keyword(s):

Instar Larva ◽

The Other ◽

The Third ◽

First Time ◽

Third Instar Larva ◽

Third Instar Larvae

The second- and third instar larvae of Platynectes (s. str.) decemnotatus (Aubé, 1838) are described and illustrated in detail for the first time, with special emphasis on morphometry and chaetotaxy. Larvae of P. decemnotatus can be distinguished from most other Agabinae by having secondary setae on the urogomphus and share with the other known species described in detail the presence of a ventroapical spinula on antennomere 3 and the absence of an occipital suture, natatory dorsal setae on tibia and tarsus and natatory setae on urogomphus. Platynectes decemnotatus larvae differ from larvae of Agabus Leach, 1817, Hydrotrupes Sharp, 1882 (currently in Hydrotrupini), Ilybiosoma Crotch, 1873, Ilybius Erichson, 1832 and the previously described Platynectes species in having a one-segmented urogomphus, a character previously observed only in larvae of Agabinus Crotch, 1873. The second- and third instar larvae of P. decemnotatus differ from those of P. (Agametrus) curtulus (Régimbart, 1899) in having the apical lateroventral process of antennomere 3 protruding (not protruding in P. curtulus). The third-instar larva of P. decemnotatus can also be distinguished from that of P. (Gueorguievtes) decempunctatus (Fabricius, 1775) by the absence of secondary dorsal setae on the tibia.

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Descriptions of the first-instar larva of the hypogaeic species Neobidessodes limestoneensis (Watts & Humphreys) and of the third-instar larva of Hydroglyphus balkei Hendrich (Coleoptera: Dytiscidae: Bidessini) with phylogenetic considerations

Zootaxa ◽

10.11646/zootaxa.2658.1.2 ◽

2010 ◽

Vol 2658 (1) ◽

pp. 38 ◽

Cited By ~ 3

Author(s):

MARIANO C. MICHAT ◽

YVES ALARIE ◽

CHRIS H. S. WATTS

Keyword(s):

Abdominal Segment ◽

Cladistic Analysis ◽

Instar Larva ◽

Morphological Characters ◽

The Other ◽

The Third ◽

First Instar ◽

First Time ◽

Third Instar Larva ◽

Occipital Foramen

The first-instar larva of Neobidessodes Hendrich & Balke (through the hypogaeic species N. limestoneensis (Watts & Humphreys)) and the third-instar larva of Hydroglyphus Motschulsky (through H. balkei Hendrich) (Dytiscidae: Bidessini) are described and illustrated in detail for the first time, including detailed morphometric and chaetotaxic analyses of the cephalic capsule, head appendages, legs, last abdominal segment and urogomphi. A cladistic analysis including 51 characters and 32 hydroporine taxa is performed, which supports the inclusion of both genera in the tribe Bidessini based on the absence of the primary pore ABc on the last abdominal segment. The third instar of H. balkei is characterized by the absence of secondary setae on the urogomphi and anterior secondary setae on the coxa, and the presence of 8–9 secondary setae on the mesofemur. On the other hand, the first instar of N. limestoneensis bears 14 lamellae clypeales on the anteroventral margin of the nasale. This species has evolved several morphological characters that are probably associated with its hypogaeic existence, including a lightly sclerotized body, relatively longer cephalic capsule and mandibles, a strongly reduced occipital foramen, absence of stemmata, and short claws. However, primary chaetotaxy apparently has remained as a very conservative expression of the phenotype.

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Taxonomy, natural history and immature stages of the bone-skipper, Centrophlebomyia furcata (Fabricius) (Diptera: Piophilidae, Thyreophorina)

Insect Systematics & Evolution ◽

10.1163/187631281794709728 ◽

1981 ◽

Vol 12 (3) ◽

pp. 320-326 ◽

Cited By ~ 10

Author(s):

Amnon Freidberg

Keyword(s):

Natural History ◽

Instar Larva ◽

Immature Stages ◽

New Information ◽

New Synonym ◽

First Time ◽

Third Instar Larva

AbstractCentrophlebomyia furcata (Fabricius) is rediscovered (in Israel) after not being found for about 100 years. Thyreolepida cinerea Sack from Israel is found to be congeneric and conspecific (new synonym). Field and laboratory observations on this species are reported. The egg, third instar larva and puparium are described for the first time in the Thyreophorina. Relationships of the Thyreophorina within the Piophilidae are discussed in view of the new information.

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The preimaginal stages of Galerita ruficollis Dejean, 1825 and the position of the tribe Galeritini in the classification of ground beetles (Coleoptera, Carabidae)

ZooKeys ◽

10.3897/zookeys.1044.63085 ◽

2021 ◽

Vol 1044 ◽

pp. 527-561

Author(s):

Kirill V. Makarov ◽

Andrey V. Matalin

Keyword(s):

Instar Larva ◽

Complete Development ◽

The Third ◽

Long Day ◽

Development Cycle ◽

Preimaginal Stages ◽

Short Development Time ◽

First Time ◽

Third Instar Larva

The complete development cycle of Galerita (Galerita) ruficollis Dejean, 1825 was studied for the first time. In laboratory, at a temperature of 22 °C and long-day conditions, the development from egg to adult lasted 58–60 days. The development of the third instar larva lasted particularly long (on average, 19 days), and the most intense increase in biomass (from 20 to 100 mg) was observed at that phase as well. The extended embryonic development (11–20 days) and the relatively short development time of the third instar larva were found to be characteristic of G. ruficollis. The bifurcated protrusion of the anterior edge of the head was proven to represent an outgrowth of the frontal sclerite (frontale), but not of the nasale, as believed previously. The chaetotaxy of Galerita larvae is described in detail for the first time. Based on larval features, the monophyly of the Galeritini + Dryptini group is confirmed. Based on the morphology of the larvae and pupae, this group can be suggested as occupying a separate position within the Truncatipennia, possibly being related to the assemblage that includes Pterostichini, Harpalini, Licinini, Chlaenini, and Platynini. The monophyly of Zuphiitae (sensu Erwin and Sims 1984; Erwin 1985) and the Zuphiitae clade (sensu Ober and Maddison 2008) is confirmed.

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Description of the Puparium and Redescription of the Third-Instar Larva of Brachyopa panzeri (Diptera, Syrphidae) with New Data on its Biology

Zoodiversity ◽

10.15407/zoo2021.03.207 ◽

2021 ◽

Vol 55 (3) ◽

pp. 207-216

Author(s):

V. Yu. Shparyk ◽

A. M. Zamoroka

Keyword(s):

Electron Microscopy ◽

Light And Electron Microscopy ◽

Pupal Stage ◽

Original Description ◽

Instar Larva ◽

Larval Morphology ◽

The Third ◽

First Time ◽

Third Instar Larva ◽

A New Species

In this study, we report the rearing of Brachyopa panzeri Goffe, 1945 from larva and elucidate its life circle with a duration of the pupal stage for the first time. We describe the puparium of B. panzeri of which the morphology was unknown prior to the current study. The study of the larva of B. panzeri showed discrepancies between our observations and its original description. These allow us to redescribe the larva, explaining the uncertainties that have existed in the literature since the description of the larva. We clarify larval morphology and propose new characters for identification with the map of its chaetotaxy. Morphological features of the larva and pupa are illustrated using both light- and electron microscopy. Additionally, we reared the endoparasitoid wasp Tetrastichus brachyopae Graham, 1991 (Hymenoptera: Eulophidae) from B. panzeri for the first time. Moreover, T. brachyopae is a new species for Ukraine.

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Larva and pupa of Chrysophora chrysochlora (Coleoptera: Scarabaeidae: Rutelinae: Rutelini)

The Canadian Entomologist ◽

10.4039/n06-002 ◽

2007 ◽

Vol 139 (1) ◽

pp. 80-86 ◽

Cited By ~ 3

Author(s):

Luis Carlos Pardo-Locarno ◽

Miguel-Angel Morón

Keyword(s):

New World ◽

Instar Larva ◽

The Third ◽

First Time ◽

Third Instar Larva

AbstractThe third-instar larva and pupa of the shining leaf chafer, Chrysophora chrysochlora (Latr.), from Cauca, Colombia, are described for the first time. Illustrations of diagnostic structures, modifications in the key to the larvae of the genera of Rutelini in the New World, and data on the biology and distribution of C. chrysochlora in Colombia are included.

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A revision of the East African Nebrioporus abyssinicus group (Coleoptera, Dytiscidae)

Entomologica Fennica ◽

10.33338/ef.83592 ◽

1992 ◽

Vol 3 (2) ◽

pp. 81-93

Author(s):

Anders N. Nilsson

Keyword(s):

East Africa ◽

Instar Larva ◽

Nominal Species ◽

East African ◽

The Third ◽

First Time ◽

Third Instar Larva

The four species of the Nebrioporus abyssinicus (Sharp, 1882) group, confined to East Africa, are revised and a key is given for their identification. Lectotypes are designated for the following nominal species: Deronectes abyssinicus Sharp, 1882, Hydroporus tellinii Régimbart, 1904, Hydroporus atratus Régimbart, 1908, Hydroporus flavidus Régimbart, 1908, Deronectes cooperi Omer-Cooper, 1931, and Deronectes scotti Omer-Cooper, 1931. Hydroporus septemvittatus Régimbart, 1883, is listed as a species dubium. The third-instar larva of the group is described for the first time.

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Further Studies of the Third Instar Larval Cuticle of Calliphora erythrocephala

Journal of Cell Science ◽

10.1242/jcs.s3-96.34.181 ◽

1955 ◽

Vol s3-96 (34) ◽

pp. 181-191

Author(s):

L. S. WOLFE

Keyword(s):

Nitrate Solution ◽

Silver Nitrate Solution ◽

Instar Larva ◽

Secretory Cycle ◽

Calliphora Erythrocephala ◽

The Third ◽

Puparium Formation ◽

Pore Canals ◽

Third Instar Larva ◽

Ammoniacal Silver

The penetration and reduction of ammoniacal silver nitrate solution in the epicuticle of the larva of Calliphora was studied. The epicuticle of the third instar larva is more permeable over the muscle insertions and cuticular sense organs. This finding is related to their development at the previous moult. A surface layer of orientated wax is not present. Proteinaceous and fatty materials from the feeding medium modify the properties of the cuticle surface. Chloroformmethanol extracts a soft light brown acidic lipide from the protein of the epicuticle after contaminants from the medium are removed. The water loss from larvae and puparia of different ages and after various treatments was studied. Young puparia recover from abrasion but larvae do not. An hypothesis that waxy substances are liberated on to the surface of the puparium during hardening and darkening of the cuticle is presented and discussed. The pore canals penetrate the endocuticle until they are cut off from the epidermis by the development of the prepupal cuticle just after the puparial contraction. An inner endocuticle in which pore canals were absent was not found. The structure of the pore canals as shown by phase contrast examination is discussed. The pore canals are three times more concentrated in the lateral regions than in the dorsal or ventral regions. The oenocytes go through a secretory cycle during puparium formation similar to that occurring before moulting of the larva.

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